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<h2>HL Paper 2</h2><div class="specification">
<p>Electron transitions are related to trends in the periodic table.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain the general increase in trend in the first ionization energies of the period 3 elements, Na to Ar.</p>
<div class="marks">[2]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Sodium emits yellow light with a frequency of 5.09 × 10<sup>14 </sup>Hz when electrons transition from 3p to 3s orbitals.</p>
<p>Calculate the energy difference, in J, between these two orbitals using sections 1 and 2 of the data booklet.</p>
<p> </p>
<p style="text-align:center;"><em>Darling, D, n.d. D lines (of sodium). [online] Available at <https://www.daviddarling.info/encyclopedia/D/D_lines.html> [Accessed 6 May 2020].</em></p>
<div class="marks">[1]</div>
<div class="question_part_label">b.</div>
</div>
<br><hr><br><div class="specification">
<p>Titanium and vanadium are consecutive elements in the first transition metal series.</p>
</div>
<div class="specification">
<p><span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\text{TiC}}{{\text{l}}_{\text{4}}}">
<mrow>
<mtext>TiC</mtext>
</mrow>
<mrow>
<msub>
<mrow>
<mtext>l</mtext>
</mrow>
<mrow>
<mtext>4</mtext>
</mrow>
</msub>
</mrow>
</math></span> reacts with water and the resulting titanium(IV) oxide can be used as a smoke screen.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe the bonding in metals.</p>
<div class="marks">[2]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Titanium exists as several isotopes. The mass spectrum of a sample of titanium gave the following data:</p>
<p><img src="images/Schermafbeelding_2017-09-20_om_08.37.43.png" alt="M17/4/CHEMI/HP2/ENG/TZ1/02.b"></p>
<p>Calculate the relative atomic mass of titanium to two decimal places.</p>
<div class="marks">[2]</div>
<div class="question_part_label">b.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the number of protons, neutrons and electrons in the <span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="_{{\text{22}}}^{{\text{48}}}{\text{Ti}}">
<msubsup>
<mi></mi>
<mrow>
<mrow>
<mtext>22</mtext>
</mrow>
</mrow>
<mrow>
<mrow>
<mtext>48</mtext>
</mrow>
</mrow>
</msubsup>
<mrow>
<mtext>Ti</mtext>
</mrow>
</math></span> atom.</p>
<p><img src="images/Schermafbeelding_2017-09-20_om_08.43.58.png" alt="M17/4/CHEMI/HP2/ENG/TZ1/02.c"></p>
<div class="marks">[1]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the full electron configuration of the <span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="_{{\text{22}}}^{{\text{48}}}{\text{T}}{{\text{i}}^{2 + }}">
<msubsup>
<mi></mi>
<mrow>
<mrow>
<mtext>22</mtext>
</mrow>
</mrow>
<mrow>
<mrow>
<mtext>48</mtext>
</mrow>
</mrow>
</msubsup>
<mrow>
<mtext>T</mtext>
</mrow>
<mrow>
<msup>
<mrow>
<mtext>i</mtext>
</mrow>
<mrow>
<mn>2</mn>
<mo>+</mo>
</mrow>
</msup>
</mrow>
</math></span> ion.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d.i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest why the melting point of vanadium is higher than that of titanium.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d.ii.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Sketch a graph of the first six successive ionization energies of vanadium on the axes provided.</p>
<p><img src="images/Schermafbeelding_2017-09-20_om_09.09.57.png" alt="M17/4/CHEMI/HP2/ENG/TZ1/02.d.iii"></p>
<div class="marks">[1]</div>
<div class="question_part_label">d.iii.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why an aluminium-titanium alloy is harder than pure aluminium.</p>
<div class="marks">[2]</div>
<div class="question_part_label">d.iv.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe, in terms of the electrons involved, how the bond between a ligand and a central metal ion is formed.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Outline why transition metals form coloured compounds.</p>
<div class="marks">[4]</div>
<div class="question_part_label">f.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the type of bonding in potassium chloride which melts at 1043 K.</p>
<div class="marks">[1]</div>
<div class="question_part_label">g.i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>A chloride of titanium, <span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\text{TiC}}{{\text{l}}_{\text{4}}}">
<mrow>
<mtext>TiC</mtext>
</mrow>
<mrow>
<msub>
<mrow>
<mtext>l</mtext>
</mrow>
<mrow>
<mtext>4</mtext>
</mrow>
</msub>
</mrow>
</math></span>, melts at 248 K. Suggest why the melting point is so much lower than that of KCl.</p>
<div class="marks">[1]</div>
<div class="question_part_label">g.ii.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Formulate an equation for this reaction.</p>
<div class="marks">[2]</div>
<div class="question_part_label">h.i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest one disadvantage of using this smoke in an enclosed space.</p>
<div class="marks">[1]</div>
<div class="question_part_label">h.ii.</div>
</div>
<br><hr><br><div class="specification">
<p><span style="background-color: #ffffff;">Dinitrogen monoxide, N<sub>2</sub>O, causes depletion of ozone in the stratosphere.</span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">Different sources of N<sub>2</sub>O have different ratios of <sup>14</sup>N : <sup>15</sup>N.</span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">The Lewis (electron dot) structure of the dinitrogen monoxide molecule can be represented as:</span></p>
<p><span style="background-color: #ffffff;"><img style="margin-right: auto; margin-left: auto; display: block;" src="images/3d.PNG" alt width="373" height="54"></span></p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Outline why ozone in the stratosphere is important.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">a(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Dinitrogen monoxide in the stratosphere is converted to nitrogen monoxide, NO (g).</span></p>
<p><span style="background-color: #ffffff;">Write <strong>two</strong> equations to show how NO (g) catalyses the decomposition of ozone.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">a(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">State <strong>one</strong> analytical technique that could be used to determine the ratio of <sup>14</sup>N : <sup>15</sup>N.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">b(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">A sample of gas was enriched to contain 2 % by mass of <sup>15</sup>N with the remainder being <sup>14</sup>N.</span></p>
<p><span style="background-color: #ffffff;">Calculate the relative molecular mass of the resulting N<sub>2</sub>O.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Predict, giving <strong>two</strong> reasons, how the first ionization energy of <sup>15</sup>N compares with that of <sup>14</sup>N.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Explain why the first ionization energy of nitrogen is greater than both carbon and oxygen.</span></p>
<p><span style="background-color: #ffffff;">Nitrogen and carbon:</span></p>
<p><span style="background-color: #ffffff;">Nitrogen and oxygen:</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">State what the presence of alternative Lewis structures shows about the nature of the bonding in the molecule.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">State, giving a reason, the shape of the dinitrogen monoxide molecule.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Deduce the hybridization of the central nitrogen atom in the molecule.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iii).</div>
</div>
<br><hr><br><div class="specification">
<p>Cobalt forms the transition metal complex [Co(NH<sub>3</sub>)<sub>4</sub> (H<sub>2</sub>O)Cl]Br.</p>
</div>
<div class="specification">
<p>Trends in physical and chemical properties are useful to chemists.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why the melting points of the group 1 metals (Li → Cs) decrease down the group whereas the melting points of the group 17 elements (F → I) increase down the group.</p>
<p><img src="data:image/png;base64,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"></p>
<div class="marks">[3]</div>
<div class="question_part_label">b.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the shape of the complex ion.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d.i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce the charge on the complex ion and the oxidation state of cobalt.</p>
<p><img 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"></p>
<div class="marks">[2]</div>
<div class="question_part_label">d.ii.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe, in terms of acid-base theories, the type of reaction that takes place between the cobalt ion and water to form the complex ion.</p>
<div class="marks">[2]</div>
<div class="question_part_label">e.</div>
</div>
<br><hr><br><div class="specification">
<p>When heated in air, magnesium ribbon reacts with oxygen to form magnesium oxide.</p>
</div>
<div class="specification">
<p>The reaction in (a)(i) was carried out in a crucible with a lid and the following data was recorded:</p>
<p style="text-align: right;">Mass of crucible and lid = 47.372 ±0.001 g</p>
<p style="text-align: right;">Mass of crucible, lid and magnesium ribbon before heating = 53.726 ±0.001 g</p>
<p style="text-align: right;">Mass of crucible, lid and product after heating = 56.941 ±0.001 g</p>
<p style="text-align: left;"> </p>
</div>
<div class="specification">
<p>When magnesium is burnt in air, some of it reacts with nitrogen to form magnesium nitride according to the equation:</p>
<p style="text-align: center;">3 Mg (s) + N<sub>2 </sub>(g) → Mg<sub>3</sub>N<sub>2 </sub>(s)</p>
</div>
<div class="specification">
<p>The presence of magnesium nitride can be demonstrated by adding water to the product. It is hydrolysed to form magnesium hydroxide and ammonia.</p>
</div>
<div class="specification">
<p>Most nitride ions are <sup>14</sup>N<sup>3–</sup>.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Write a balanced equation for the reaction that occurs.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Identify a metal, in the same period as magnesium, that does <strong>not</strong> form a basic oxide.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Calculate the amount of magnesium, in mol, that was used.</p>
<div class="marks">[1]</div>
<div class="question_part_label">b(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Determine the percentage uncertainty of the mass of product after heating.</p>
<div class="marks">[2]</div>
<div class="question_part_label">b(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Assume the reaction in (a)(i) is the only one occurring and it goes to completion, but some product has been lost from the crucible. Deduce the percentage yield of magnesium oxide in the crucible.</p>
<p> </p>
<div class="marks">[2]</div>
<div class="question_part_label">b(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Evaluate whether this, rather than the loss of product, could explain the yield found in (b)(iii).</p>
<div class="marks">[1]</div>
<div class="question_part_label">c(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest an explanation, other than product being lost from the crucible or reacting with nitrogen, that could explain the yield found in (b)(iii).</p>
<div class="marks">[1]</div>
<div class="question_part_label">c(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Calculate coefficients that balance the equation for the following reaction.</p>
<p style="text-align:left;"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAsQAAABLCAYAAAB3LJGnAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAABMXSURBVHhe7d0PVFR1ogfwb/N82hNiEf+EpBNqLDKkTUi+7elTKUmeKTuhlSfSxSOLWqaSbhhunJ6lLVs5ivn0kS9YlV1fJk5mHpUM8+iuD4g4GmM2KTirROpDQjT10cy7d+bOMDPcgRnAP3C/n3M4wm9mZPj97v3d7/39fvfOXVYBiIiIiIgUSiX9S0RERESkSAzERERERKRoDMREREREpGhua4jV6kHSd0RERERE3ZvZfNb2b4tA7HiAiIiIiKi7cs29XDJBRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBMRERERIrGQExEREREisZATERERESKxkBM3VwjyvWToFYPgjoxHyaLVOx0Dab8ZPvjqQbUSqX+c/yep6Avr5fKHJpQa1gAtXY1ypukorY0lkKf8KzM/+XJgsbyHCQk5KC8scUfdwf6OwypI6HVlwu14qGpHHrtIPnHPFlqUW5YjdQood3EthO+olJXo/CgSWgJb1zr6oa9TdSThDqWXuFznd/5mspXQ2url2Tkm65Jpc0spnwk2h5fAEOtrxulSH57s9SWw6CfgyipLdTq0UjVb8dBU4P0DFFr+4G0/zgfqxd+fhYJ+tJW2lOOH6/rUu3tT//iTz37oLPrqRvtZ9S9MBCTclQU4cgpj3BgOYMjhWXSD51B6OwzN3cwnAoH9fdXIXfUfMyJCZbKvFEhMOY5LBv1MTLf/9LP8NBFNVYiPy0RybuBKQVlqDafhbm6DAVTgD3zp2C6tzDU+CXez/wYo5Y9h5hAma4vcBTmLItEbofb705ShsIjZ4QY6+oaTh0pQoX0k19a1KEQkE9uQVrcPOzGVBSUnIZZaI/qko2Ygr2Y//hv2hl8ghEzZz5G5a7C+z6/Xgzrm5GZG4llc0YhUCr1qku2d2f0L/7wpy/yUbfcz6g7YCAmZQiIhOaXx1uEA8upv6HQNEh4LEAq6QTG9R0Kp5aag8jN7Y2MlF8hSCprXT+MS5mJnrlb8VnNDanMG/vokU+jsHck8QD9e2SdfR4FaxZDFxNq78RUoYjRLcaaghcBvVyIuoGaz7Yit+dMpIzrJ5V5UiFoXDIyen6I3M/OeoRIP1hOIj9pAfJPuo6O3g4h0Gj6o6LwbzjlttGLJ4Em4bFwqcBXMnUoBuRFb+Ns2nqsSdchJrSnrVgVGgNd+rsoSBeao73BJ+hXSMnoLewLB1Hjy8stZ/FZ7ofomZGMcUG+HNr8bO9aA1L9GVm9WTrYv/jD/77IF520nxF1MgZiUoZecUibGweTWziwj5SZkp7FM+G9pDI7S+1fkZM6unn69+03kRo1EqmGv0vP8CJkBtJf0MAoG8p8Ibyn/duxJyIeY4bdLZU1wHQgx2V5gDgdLbxvl5ChGvYokiKK8cH+qu59gGmowI5cI7QzJkHbYpRXhUDtJMzQGpG7o0KoNReWKuz/oBgRSY9iWGu9nup+jEm6H3s++Nw9RPpDFYGkhSHI1r1ym0PxQDyelorJJveZEftJYBxmPPOgVCKx1KI0p3nZQ1Tqm3hb3AccS4la1KEFDWWfINc4AjOmjJAZkQ2GdsqvoTV+iB1ldVKZP+7GsDHxiNizHfs9Z3ZkWE59jg/23I+kMfdLBzYLGoW/Xe/cj8W/KQcHXJdxdEZ730od7l/8IdcX3UBtucGtTtXqqVi+pRS1jvprNOGAc/lMJBKW/wHLEyLdl6R1tXonRWAgJoXojfDHn0KSaziwjZTVIik+FiH2ErvGUqxNmY0NeAlFRjOqS9Zg5Mld2H9FerxVYRg/LxPpGmP7RsakJRwhcSMxxBE6Dr6DxNlFCNtQgmqzGcail4DcBVjykak5/Kruw8i4gS1HA7uZpu/K8emVcMSNvE++87IdaGNx5dNyfOcykmcLgRUDvb/O6W4MGTkKIXLLa3wmjoCl4q3x5ci6zaG4R/h4zEiqdZkZcZwETsSjIT1sJXb1KF87H9M2/CMyioy2JSibR1YJJ1g10uNydXgV3331P7gSMgojhzgCkzvbiZr2Aj79ytyuGQnVkJGIC5Fb9uFJWgbi+l4aDuGtxAXYF/YWSqrPwmzchwxsxewlhS7XEnRGe99KHexf/NGiLxKKTH9Gmm4VKsfmwSgtVdqxdAAKl6dj3aGLwjPEGZxXMDvXsR0VY9k/HMEWo2fn2dXqnZSg9WMDUXcS9CDineHAgsaKfdhmGoP4GNcpdMeoVywyMp5GZKAKqtB/wYKMF6CVntGmwFH47aoXoWnP1Ob5Ezhc0QuxQ/rDHlcsuFpfhyvCT32Cegs7rAqBkTOx6cRJ7EqJdNmB70bYkAigogyV5+/8xRB1+kQMdY4wSV9DE6H3aSCxH/rc4xrmXPXAPcF9hF9wGuaLjnpowvnKMlQgAkPC5IObqx5hQxGL4zhceUEqaQeVGrp31iP9/mJkxSdjueHkbVrf3Rcx8WOaZ0Yaj2P3NvEkcAR+YX+CnWPkPSMdsyKDhPcfikcWvIIMrWMpUSt1qA7BPd6OJKreCB7QC3WVZohxyaZuNXRDPdpePRw6faX0BBc9+mNIbC9UHD6B81KRvAuoPHwciB2KMMemcbUeP4g5rE8QbJMJgdFI2VQC864URLi8305p71vJ1/7Fn3qW06IvEpozIgW7zCXYlBJtnxEQtpNR//avwlbRgB/qf5LZjsIwYekSzJRZkdbl6p26PQZiUpAQl3BQh7IdHwNpUxEbdJf0uEh+1Et1bzhG+LzMWLzQbRZWpbd3anMgotVCqLPpgdCJ87HiiXPQ6x6EOmoO9IUGfFJe6zFi1gP91EOFv/AS6i97BGJx7aPzgBiO0QsNHoHU5U4Lt0hI+i6cFkeYXL9O70K621C9NxdxyfNvdGrC5fpLwi8YCnU/j9AsVyannxrRIddxvv6qRx1LV+87662NL81T0NtGxr7CloVPY3Fby21uChWCYh6TZkau2k/28GtMi3WvaNmRd1VfhI/oL/0gkatDcx0uexuotFxF/fnrCIlWC6cxkpCXYTjt0fbmb2BIj5ae4KoP1NEDhXBW7/13uHD7PaGP4Xcr4nBG/xQ0tmVG22D4pLx5at/Ba3vb74jibM/RC7DfI2TenrX4PvYvftWzN659kUS8w8snBhgMwlf+ckx+/PfOCzQtP1TjuOd2FDQMj4yR2bG91jvR7cFATAriEg6+LEFRYaiXtY9tcF1rmfAmDtbKXcgWjJjfOqY283C0vvmwaak9gCxxTZ3w+qjUjSiVfb0L28jWURgP/Bk5b8UDe1bhRd14TM460PLgLidUh03OA2I1SnJ0HoF0H9Jj/K6Fm06unno8EIMnA6pRfOyc/EFUmuYNeDIGD/iQff0jnJzo3pPqzIcv406h/cWzqIcxM2c71ugG2/+bW805M1KG0qIjiJBdf90evfHAw/+MgLovcaxKftrbvsyiP558WO0cZWw3Sw0OZk21h1HhxDCn1POk0FMQIlM24oSxGJtzMjEZRXj1xUSMnuxtn/U0GLpNx5rbs+Q9POERMivSYzr+d7WL9/7FLz71Zc1s++Tk8dCtL4UthgdPwlrDv/s+e0Z0B2MgJmWRwsHW195FodvFIg7yB3n7yIf0/am9eGPPQygwfosDM05g8V++lh8lck5trsXCrN1S4UUcWrcG5+cVodr8NQqii/HGXs8L4b5HpfmS9L2DCoER46DTzUD6pkM4sCIWxvydOOpcHtGEi+bTqEMfBHtdTtCVeKmnIC2mpWlQsW0fKlqsn5SWwQgBLCn+wZZXxbsto2jFRTMq63phQLC4RKWdLGYYlr4I/Zk4rCgqwEpdpP8nXp1GmhnZuhJvCyeBzRedNZM90bD8L6qPe0xnu9WhcIIZOxVpmuPYtvu4zNR9PSp2f4yKgMcQH+PT0L+MSzBXfg8M+AVweCMWn5+Do9VmGAsewp439rZYL++2NMMhMAITdDokpf8XKg+8abvIb+vRH6QHBZ3R3reDbP/in7b7Mte+6BpO7f0A+WeexeYP30CKUKc63VgMbDgDk/QM+0ya53ZknyVooavWO3Vb3A5JYezh4JzxrJc7DjgO8mXIzt6Ok2LoaqzE5uz/cE4L2tbR7V2ImMAbuHypCeo+AV52JMfU5iPSz6J+mLDyE2zUqYVH78Y9ff5JKpcMiMJY7XWUVV2QDkw3UGNYhCjXEbHGUzhyWDgEaWMRPcARfq+hpsqzrCvzVk/iyNibWDFoK3TTX8MWx9IR2wd1rMHi5PVAuh6vTnBdF94DA6JjoRUO21U1jpMcR1k19n1xwi3MNdWcRhlGYGy0x3IBn1nQcGgTXv0iBisMf0SKuJbytpJmRs5Vwih7EihwnGhk67HZdhFgA05u1iO7wnExlFwdCsRQtvZ3GJT7PKYvL0C5NMJo/6COJUjWC81R8DIm+HQbNBlNF1BVdh3asRoMm7ACFRt1CFOp0PueINhv8ObQH9FjRwBlp1EjJTpLjQHzokYjNeev0kxKA0xHjgp/gXvbdry9bxe5/sU/rfZlLfqinrg3fBgCrnyFz237nXgXj13I/sN/w3nJnOd2JI5Av/dHl+2oWdetd+quGIhJYaRwEBArO1JmE/gIFuXnYT7WIV6jhlqzDKboOGikh+3E9YXjoMsNxMRot8uTPDimNlsuQLbUHsGWw8PxcsKQ5vch3SWhrvgYqmwH8Z4IS3wVBZmh2DMtFuHi1KYmCdvuXQRD7nPNFwdZzuFY8ffQtnVbsS6oRT2JS0hyd8Ewry++SJbqJDzW9kEdkzfsxkdCQPAcjbXf7eB7t5Er1bAEvL5yOqB/CmOda0GvoerYl6jTegmOvrCYUJhTh4w7IgxLbDMjka1sH8J2umgDdsz/P2THa6BWC/uAKRxJLtutXB2K+5N4kWdu8V8wr9/nSB491LakIXy0+EEdCdhw4E9I78AHOliqjqG4zmNftdTg0JYyaF9+wuVvsd+iTesys6MKm4zXCxbh3j2zMTpc2EbUGsRv64tMw7uYFeFo205o79vKe//iOy99WYu+SOg7x72AzUsHYPus0cJ+p4bmpVJEpM3FEwF1OFJ6SjjlsG9Hhsy+2CZuR8J+OetYPyS2eH9dvd6pW7K6GDz4Puk7InL187d51qmDx1gziy9IJXY/n9tpnfvQa9biH3+WSnx0+Wtr3twl1rxvfpQKmtn+z+HPWfO+/UkqaZvt/Q1faN157rpU0k20Uk/+uW49t3OhdfjUPOu3rTXVz99Y86aOsc7decbqZ4t2P7a6+KV1eGax1V77PtZhp/nJ+m3ec9bhc3dazzl/34/Wb/KWWOfmfW29LJU4/XzGunPuGOvUvG98bzu2t5NcX9aevqgls3XnnBHWwXN2Wr+XSljvdKdwzb3dbCyJqKPE+/5mIUo9FVkHa+wjYY0nsSt/Byo0z2BabLD9cekm86rAYPQVn+Mzi+2jblPHrgPSs2RHEFVhE5CWdhXZ+UfdP1zCq4s4lL8FN9Kex8Qw94nkrqvtevJPT4RNfB5pN7Yg33a/VDniUocCZN94BmkTBzWPSCpBw0Esj4pEgvNCzQaYdhVgW4UGadO00npsX+qwEzUcRX72VWFfmIAwsTHEj+xOfRpvYzbecdz2y5VqECamPYMb2QU41NA8hu2dgtvbRurrWunL/O+LfKH0eqc71V1iKpa+t011iVfOEt1yTeXQx/p6H1pvopFu2NHxOyaI61EL1iFz+Z9gtBUEQDMzC6teetr+0bTi1e6vz8Ws/K+EhyZh6eaVWPCI9BHCbRE/1leXiCyXNXXiHR/KPK9WbyyFfvo7wKr/bGPKWQiO5e9heqbw1I8WIKZT7h4gNsdqxOpWo0PNIV6RX/YyYtqzpNnXevJLG3Xlc513lkaU66f5fl9YLzpeLyLxE8i2Y13miuYPUdD8BitXvYRkx8dj29yc7a2leqFu5iITS6UlMNdgyp+Dx7O+kB4XyG5fnq9rxc1o7zupH/OFL31Zh+tJXJLxJBZiBUo26RB6y/czIu9ccy8DMREREREpjmvuvVmn90REREREXQIDMREREREpGgMxERERESkaAzERERERKRoDMREREREpGgMxERERESkaAzERERERKRoDMREREREpGgMxERERESkaAzERERERKRoDMREREREpGgMxERERESkaAzERERERKRoDMREREREpGgMxERERESkaAzERERERKRoDMREREREpGgMxERERESkaAzERERERKRoDMREREREpGgMxERERESkaAzERERERKdpdVoH0PdTqQdJ3RERERETdm9l81vavWyAmIiIiIlIaLpkgIiIiIkVjICYiIiIiRWMgJiIiIiIFA/4fbbAbANDCWHcAAAAASUVORK5CYII="></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Ammonia is added to water that contains a few drops of an indicator. Identify an indicator that would change colour. Use sections 21 and 22 of the data booklet.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Determine the oxidation state of nitrogen in Mg<sub>3</sub>N<sub>2</sub> and in NH<sub>3</sub>.</p>
<p><img src="data:image/png;base64,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"></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.</p>
<p><img 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WqvSm/PU07u/XppqK7Z9LG6u4ZrlgEAABBb4iMk21xu5VXYIbZepet2q9O+gjt4RbdhnwI9g5d0R/pER154UrVHf6i6nfepwOeTzzdXX+s5qnanx5DEdM2zti8rfkKHm+6PlmvsOPCRrrzqW0o4/qoOvvOJ09ESOaHu9/+mhJlpSo6fGQYAAJgw4irCuVLnqagoW327K7WuMaSIpipr+fXy9D2rBzbsHyiRiITVUnOzZrhvUG17RMlpVyih7zXti96Nwr6TRaPWP/Cs7DJkW6TTr1UzclRY8zunxKJH7a8csEL0TM3NTFZS1hIVeVq1fn2tWuwry/b+H35Q69s8KlrulVP4AQAAgBgSZ9c5p2j2LWUq9nyo3aUb1djZr8TZq1Trr9Cc5tXKseuS07KUfzBTVf6Nyk+/SEnfXa26u6bpV/k5SnO75bmjRelFt+rahON6peWIelNzde/Ta5W8e+XA+90eLXzmYpVF33+hlJittbU7VJb8vJbnXD5i/49p7ewpzrg+x5jcAq7f2s0aa3yLVB3oddoMn3ucsdjHwC3v3N5NCpyxwxc4xljsY8KM03I+zpVxjnA+xnk+zjWOxjku1k6sjNPC2hkWK+OMm7UTWyadsjjPo+wvttk1uwAAAEA8Gy33UjELAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAIAhxkNyv8L+NXK7F6k60Ou0GcJ+Fbqny1sdsHqfybvyF86S27tJgTN2GItjjJNxnpdzjZdxWsbF2mE+h43FOMfJZxIr4xwXaydWxmlh7QyLlXGOi7UTK+O0jMU+YsikUxbneZTbOvlQ6JjzCgAAAIhPo+Veyi0AAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADDEeEjuV9i/Rm73IlUHep02Q9ivQvd0easDVu8zeVf+wllyezcpcMYOY3GMcTLO83Ku8TJOy7hYO8znsLEY5zj5TGJlnONi7cTKOC2snWGxMs5xsXZiZZyWsdhHDJl0yuI8j3JbJx8KHXNeAQAAAPFptNxLuQUAAABgICQDAAAABkIyAAAAYCAkAwAAAAZCMgAAAGAgJAMAAAAGQjIAAABgICQDAAAABkIyAAAAYCAkAwAAAAZCMgAAAGAgJAMAAAAGQjIAAABgICQDAAAABkIyAAAAYCAkAwAAAAZCMgAAAGAgJAMAAAAGQjIAAABgICQDAAAABkIyAAAAYCAkAwAAAAZCMgAAAGAgJAMAAAAGQjIAAABgICQDAAAAhkmnLM7zKLd7ukKhY84rnG/2/J9LsfzZMjcAAGAsjZZ7CcnjzLmc/1j/bJkbAAAwlkb7+U+5BQAAAGAgJAMAAAAGQjIAAABgICQDAAAABkIyAAAAYIjJkNwf2CSve3r0G4mfeiwu1/ZAWBGn798l7Fehe5YK/e86DRNDpNOvVTOma8Yqvzo/NYHdClQvteZ4qaoD3U7bRNNrzcGiz5iDfmvZrJHbu0mBfqcJAADErBi+kpypYv8fo7ftGHoEm1Qz56DKb6hSY+dJpx++KFdqriqqlku7K7WuMXTaLxqRdr/urQ7KU1ymW2ZPcVonqhZVl9Up0Ptf+lUMAACMY/FVbpGYId8dN+vavv16rrnLacQXN1mpeXeqKtfKyaUbh3/RiITUuPFRtXluV+Utc5Q40DqxBR9R2eOvqtd5CQAA4ssEqEk+qXDAr+rCHKckI0OLy59WIDx4pTmi3va9I7YvUfkvf6/TbisdCSuwvVyLB0s6Ztysan9AYftCohUg/aus985YK78TKgfKFqzjVLdYIcr5M7x7kaoDMRCpXG7lVZQpV/UqXbdbnZGT6mzcqNLdl6i4Ml+zE60lY8+Hf5MKZzjzYc/Z9paB+bD1tqup+mbNGDlfTe3xEyinrlDxao+C1ZV6fJTSk0i4RdvLlzhzNF0zCjfJ/18tBQIAAOdFfIXk3jflf+gJ7UmYr+/nJFsNVgAObFGBr1KH5z6lYLQko0ErujbLV7Bl4M/lva/q8Tvu1IvJZWoKhtTRXKrkw/sVHNijpVuBzbfJVxlWbn2rOkJvq7kuW4dLf6SCzVYINkNlT4s2/6REuy8dvOp6gVJ8DysUelHFs2PjGuzIsouKjQ+qovQFXTpUZuHMR+mfNNcftM4rpODe69VVeePAfOgDvVS1UitfvEyPNb9tbQ9qb8l/09aV9+rX7Z8MHCDmperqVWUq9gQ/u+yi11oHBTeqsus61dvz0NGqulmHVeq7TZsnbE03AACxI4ZD8mFV+74xdJUu+vAsUGnXQj3VeJ98qZOtPsfVWr9TQe9qleRnDpQJJGYqv2S1vMGdqm/9QD2tu7Q1OFMrChYrPdElV8o/qeDGxUqw+9p62lS/NShvyd1ak51iTdhkpWQXqKQkS8Gtu9TaExkRKh9Txb/do+qgZ/iqa0waLrvY89AW7RkK/Jah+ShWfkaS1eBSYsYPRsxHn7q7eqz2JCUlXhD9d4b1C8kboadVkH6hvYf4kDhHt1TeLs8Zyy4izrrKsualQNkp1lp0pSh7zd0q8Qa1tb5N9gwBAIDxK4ZD8ogv7nU0q67gKilhkW679XrNT7fDmyXyF3Uc+rPUdo8WpA2H6bQF98iOKV3df9Fbr/1BfVPnaNZlgwHOpaRvzNa3nVf9bwX0fF+a5s+6ZMRkTVZy2hVK6Duiji67xGIwVP5Ve/Z0xMeX21xufb9ohaZa/1y7aulQ4I90dehQX5/aKhYobegXlCu1oOI3Ut9xdZ/4mv75pz/VtUcflM/jjpYYNPhfGFHeEi+sXw5m56uy+ExlFyfOsK4srouVNvOr6jvUoS5qLgAAGNdiOCSP4ErVvHsfUc3Vh7Qh/9N3tki4aYdeH3kXjOjjoLb5vu70OFsRneg+rj7nVdSJLr3T8aH1pE9H33xPPXEdgtJ0U12bMZ/242H5UiYrMeMmbXsjqKa6x5wvARbKl7NcFS91xlk97hTNvmWw7OIpHej+vHu/fexcZQcAAONdfIRk26e+cGa3OVfuGvYpcMbUepGuvOpbSjj+qg6+M1wvG/moW+87zy+4crauS+jQ/oPvjQh4/fqo+69W+r5Cacl2WUe3Ao9XqvroQq37jzW69Ay3UIsXruQ0zbTmo2Hv659TMpCk9HlL5Fv2b9p2uEnrvH9S7Y7moXmNG0NlF5v1LxXPOY1nXleKnFD3+39Twsw0JcfPf3kAAMSluPpR7Uqdp6KibPUNhdSpylp+vTx9z+qBDfudu1GE1VJj33nhBtW2n1RS1hIVeVq1fv2v9GZvxNr8Oz28/lG1DezSynpeLS/yqG39g3q4xb4zwUmFW2qt/q3yFC1RVpLUG6hTWfV7yq26W/nLVqmy+JLTb6EWT6LzYc3x9o3a4FwZtuesxr47SF6t2vsH7vYxo3CLWqIlFvbdQ5r123bJO3eGpkV3Ek8Gyy6yndc214h1VTswD/a6e/hBrW/zqGi51/oVAgAAjGdxdj1r8M/fHzohtd8KMKtU66/QnObVyrHrktOylH8wU1X+jcq3v0iWmK21tTtUlrxTCz1upeVUqStzvjzOHqP7XPuY/GUp2r08S2nuy5WT36LMql+qdm22Eu27Y5Q9oqO5ZarIc1sT6ozh0hecK9oxdgu4z+XMx89nqTk/J1qXnJbzrzqYWSb/1h8r/QK38u59xJrP57U853LrvN3yLNyp5LId2pqfEW8LzjG47oa+7jliXTnzMLTuHtPaCf8/YwEAYPybdMriPI+yv4hl15fiH+Nczn+sf7bMDQAAGEuj/fynMhIAAAAwEJIBAAAAAyEZAAAAMFCTPM7Y838uxXpN8rnEugcAYGIZLfcSkgEAADAhjZZ7KbcAAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADDEZkvsDm+R1T5f7TI/F5doeCCvi9AUAAADOVgxfSc5Usf+PCoWODT+CTaqZc1DlN1SpsfOk0w8AAAA4O/FVbpGYId8dN+vavv16rrnLaQQAAADOzgSoST6pcMCv6sIcpyQjQ4vLn1YgPHil2dxuP5aofHuLwtGajYh62/eetn1GYY2a2nui77ZFwi3aXr5kxPZN8g+VfLwrf+Esq+3f9eRQH3sMfrX3OkUhYb8KrXZvdUD9Ay0AAAD4B4qvkNz7pvwPPaE9CfP1/Zxkq8EKuIEtKvBV6vDcpxSMlmQ0aEXXZvkKtihghdRI+y9UNHJ7R6vq75qmhvJiPfTyB1LPy6rKW6MXU6vU3GG//0WVaIdW3tmgdjvj9rZoc8GNquy6TvXNb0ffXzfrsEp9t2lzoDs6LFvfnpd1JHuDdYyQgv7bpe0luvPX7QNBOsWnbdax24pn64JobwAAAPwjxXBIPqxq3zeGrt5GH54FKu1aqKca75MvdbLV57ha63cq6F2tkvxMJdpvS8xUfslqeYM7Vd96XK70AjWGmrWtwNnuStGc731H6epRV/fH0oludfVZ7V9JUqI9W9b7C7Y1K9RYoHRXRD2tu7Q1mKWSkgJlp1jHtN6fveZulXiD2lrfZu3F4V2ugrwM6xguJXoXaYVXavvtG3rf2QwAAIDxI4ZD8ogv7nU0q67gKilhkW679XrNT08a6BL5izoO/dlKo/doQdpwmE5bcI/s+BoNwdF+YQV2+eX3W4/acuVGtztSrtFP183X0eql8rhzVFj9jPy7Ak4pxgm99dof1Dd1jmZddmG0e5TrYqXN/Kr6DnWoy6mo0LQp+vLgbLsu0pRpX3JeAAAAYLyJj3ILV6rm3fuIaq4+pA35n76zRcJNO/S6HaZPexzUNt/XrXzcpIrcq+V7pEXR4ogpi7TZ/zN5o++0JSmjYIveCO5XXU2ZcrVXpbfnKSf3fr00VNds+ljdXcM1ywAAAIgt8RGSbS638irsEFuv0nW71WlfwR28otuwT4GewUu6I32iIy88qdqjP1TdzvtU4PPJ55urr/UcVbvTY0hiuuZZ25cVP6HDTfdHyzV2HPhIV171LSUcf1UH3/nE6WiJnFD3+39Twsw0JcfPDAMAAEwYcRXhXKnzVFSUrb7dlVrXGFJEU5W1/Hp5+p7VAxv2D5RIRMJqqblZM9w3qLY9ouS0K5TQ95r2Re9GYd/JolHrH3hWdhmyLdLp16oZOSqs+Z1TYtGj9lcOWCF6puZmJispa4mKPK1av75WLfaVZXv/Dz+o9W0eFS33yin8AAAAQAyJs+ucUzT7ljIVez7U7tKNauzsV+LsVar1V2hO82rl2HXJaVnKP5ipKv9G5adfpKTvrlbdXdP0q/wcpbnd8tzRovSiW3VtwnG90nJEvam5uvfptUrevXLg/W6PFj5zscqi779QSszW2todKkt+XstzLh+x/8e0dvYUZ1yfY0xuAddv7WaNNb5Fqg70Om2Gzz3OWOxj4JZ3bu8mBc7Y4QscYyz2MWHGaTkf58o4Rzgf4zwf5xpH4xwXaydWxmlh7QyLlXHGzdqJLZNOWZznUfYX2+yaXQAAACCejZZ7qZgFAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMBASAYAAAAMhGQAAADAQEgGAAAADIRkAAAAwEBIBgAAAAyEZAAAAMAQ4yG5X2H/Grndi1Qd6HXaDGG/Ct3T5a0OWL3P5F35C2fJ7d2kwBk7jMUxxsk4z8u5xss4LeNi7TCfw8ZinOPkM4mVcY6LtRMr47SwdobFyjjHxdqJlXFaxmIfMWTSKYvzPMptnXwodMx5BQAAAMSn0XIv5RYAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAICBkAwAAAAYCMkAAACAgZAMAAAAGAjJAAAAgIGQDAAAABgIyQAAAIAhxkNyv8L+NXK7F6k60Ou0GcJ+Fbqny1sdsHqfybvyF86S27tJgTN2GItjjJNxnpdzjZdxWsbF2mE+h43FOMfJZxIr4xwXaydWxmlh7QyLlXGOi7UTK+O0jMU+YsikUxbneZTbOvlQ6JjzCgAAAIhPo+Veyi0AAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAAMhGQAAADAQkgEAAAADIRkAAAAwEJIBAAAAAyEZAAAAMBCSAQAAAMOkUxbneZTbPd15BgAAAMS3UOiY8+x0nwrJAAAAwERHuQUAAABwGun/A8LoRsVIVDSUAAAAAElFTkSuQmCC"></p>
<div class="marks">[2]</div>
<div class="question_part_label">d(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the number of subatomic particles in this ion.</p>
<p><img src="data:image/png;base64,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"></p>
<div class="marks">[1]</div>
<div class="question_part_label">e(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Some nitride ions are <sup>15</sup>N<sup>3–</sup>. State the term that describes the relationship between <sup>14</sup>N<sup>3–</sup> and <sup>15</sup>N<sup>3–</sup>.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>The nitride ion and the magnesium ion are isoelectronic (they have the same electron configuration). Determine, giving a reason, which has the greater ionic radius.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest, giving a reason, whether magnesium or nitrogen would have the greater sixth ionization energy.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest <strong>two</strong> reasons why atoms are no longer regarded as the indivisible units of matter.</p>
<div class="marks">[2]</div>
<div class="question_part_label">f.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the types of bonding in magnesium, oxygen and magnesium oxide, and how the valence electrons produce these types of bonding.</p>
<p><img 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"></p>
<div class="marks">[4]</div>
<div class="question_part_label">g.</div>
</div>
<br><hr><br><div class="specification">
<p>The properties of elements can be predicted from their position in the periodic table.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why Si has a smaller atomic radius than Al.</p>
<div class="marks">[2]</div>
<div class="question_part_label">a(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why the first ionization energy of sulfur is lower than that of phosphorus.</p>
<div class="marks">[2]</div>
<div class="question_part_label">a(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the condensed electron configurations for Cr and Cr3<sup>+</sup>.</p>
<p><img src="data:image/png;base64,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" width="768" height="190"></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe metallic bonding and how it contributes to electrical conductivity.</p>
<div class="marks">[3]</div>
<div class="question_part_label">b(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce, giving a reason, which complex ion [Cr(CN)<sub>6</sub>]<sup>3−</sup> or [Cr(OH)<sub>6</sub>]<sup>3−</sup> absorbs higher energy light. Use section 15 of the data booklet.</p>
<div class="marks">[1]</div>
<div class="question_part_label">b(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>[Cr(OH)<sub>6</sub>]<sup>3−</sup> forms a green solution. Estimate a wavelength of light absorbed by this complex, using section 17 of the data booklet.</p>
<div class="marks">[1]</div>
<div class="question_part_label">b(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce the Lewis (electron dot) structure and molecular geometry of sulfur tetrafluoride, SF<sub>4</sub>, and sulfur dichloride, SCl<sub>2</sub>.</p>
<p><img 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"></p>
<div class="marks">[4]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest, giving reasons, the relative volatilities of SCl<sub>2</sub> and H<sub>2</sub>O.</p>
<div class="marks">[3]</div>
<div class="question_part_label">d.</div>
</div>
<br><hr><br><div class="specification">
<p>Chlorine undergoes many reactions.</p>
</div>
<div class="specification">
<p><span class="fontstyle0"><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mn>2</mn><mo>.</mo><mn>67</mn><mo> </mo><mi mathvariant="normal">g</mi></math> of manganese(IV) oxide was added to </span><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mn>200</mn><mo>.</mo><mn>0</mn><mo> </mo><msup><mi>cm</mi><mn>3</mn></msup></math> <span class="fontstyle0">of </span><math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mo>.</mo><mn>00</mn><mo> </mo><mi>mol</mi><mo> </mo><msup><mi>dm</mi><mrow><mo>-</mo><mn>3</mn></mrow></msup><mo> </mo><mi>HCl</mi></math>.</p>
<p style="text-align: center;"><math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>MnO</mi><mn>2</mn></msub><mo> </mo><mo>(</mo><mi mathvariant="normal">s</mi><mo>)</mo><mo>+</mo><mn>4</mn><mi>HCl</mi><mo> </mo><mo>(</mo><mi>aq</mi><mo>)</mo><mo>→</mo><msub><mi>Cl</mi><mn>2</mn></msub><mo> </mo><mo>(</mo><mi mathvariant="normal">g</mi><mo>)</mo><mo>+</mo><mn>2</mn><msub><mi mathvariant="normal">H</mi><mn>2</mn></msub><mi mathvariant="normal">O</mi><mo> </mo><mo>(</mo><mi mathvariant="normal">l</mi><mo>)</mo><mo>+</mo><msub><mi>MnCl</mi><mn>2</mn></msub><mo> </mo><mo>(</mo><mi>aq</mi><mo>)</mo></math></p>
</div>
<div class="specification">
<p>Chlorine gas reacts with water to produce hypochlorous acid and hydrochloric acid.</p>
<p style="text-align: center;"><math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>Cl</mi><mn>2</mn></msub><mo> </mo><mo>(</mo><mi mathvariant="normal">g</mi><mo>)</mo><mo>+</mo><msub><mi mathvariant="normal">H</mi><mn>2</mn></msub><mi mathvariant="normal">O</mi><mo> </mo><mo>(</mo><mi mathvariant="normal">l</mi><mo>)</mo><mo>⇌</mo><mi>HClO</mi><mo> </mo><mo>(</mo><mi>aq</mi><mo>)</mo><mo>+</mo><mi>HCl</mi><mo> </mo><mo>(</mo><mi>aq</mi><mo>)</mo></math></p>
</div>
<div class="specification">
<p><span class="fontstyle0"><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msub><mi>CCl</mi><mn>2</mn></msub><msub><mi mathvariant="normal">F</mi><mn>2</mn></msub></math> </span><span class="fontstyle0">is a common chlorofluorocarbon, <math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mi>CFC</mi></math>.</span></p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">State the full electron configuration of the chlorine atom.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">a(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">State, giving a reason, whether the chlorine atom or the chloride ion has a larger radius</span>.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Outline why the chlorine atom has a smaller atomic radius than the sulfur atom</span>.</p>
<div class="marks">[2]</div>
<div class="question_part_label">a(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">The mass spectrum of chlorine is shown.</span></p>
<p><span class="fontstyle0"><img style="display: block;margin-left:auto;margin-right:auto;" src="data:image/png;base64,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"></span></p>
<p style="text-align: center;"><span class="fontstyle0"><em> NIST Mass Spectrometry Data Center Collection © 2014 copyright by the U.S. Secretary of Commerce on behalf of </em><em>the United States of America. All rights reserved.</em><br> </span></p>
<p><span class="fontstyle0"> <br>Outline the reason for the two peaks at <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>m</mi><mo>/</mo><mi>z</mi><mo>=</mo><mn>35</mn></math> and <math xmlns="http://www.w3.org/1998/Math/MathML"><mn>37</mn></math>.<br> </span></p>
<div class="marks">[1]</div>
<div class="question_part_label">a(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Explain the presence and relative abundance of the peak at </span><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>m</mi><mo>/</mo><mi>z</mi><mo>=</mo><mn>74</mn></math><span class="fontstyle0">.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">a(v).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Calculate the amount, in <math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mi>mol</mi></math>, of manganese(IV) oxide added.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">b(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Determine the limiting reactant, showing your calculations.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Determine the excess amount, in <math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mi>mol</mi></math>, of the other reactant.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">b(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Calculate the volume of chlorine, in </span><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msup><mi>dm</mi><mn>3</mn></msup></math><span class="fontstyle0">, produced if the reaction is conducted at standard temperature and pressure (STP). Use section 2 of the data booklet.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">b(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">State the oxidation state of manganese in <math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msub><mi>MnO</mi><mn>2</mn></msub></math></span><span class="fontstyle0"> </span><span class="fontstyle0">and </span><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msub><mi>MnCl</mi><mn>2</mn></msub></math><span class="fontstyle0">.</span></p>
<p><img src="data:image/png;base64,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" width="699" height="180"></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(v).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Deduce, referring to oxidation states, whether </span><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msub><mi>MnO</mi><mn>2</mn></msub></math> <span class="fontstyle0">is an oxidizing or reducing agent.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">b(vi).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Hypochlorous acid is considered a weak acid. Outline what is meant by the term weak acid.</span></p>
<p> </p>
<div class="marks">[1]</div>
<div class="question_part_label">c(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">State the formula of the conjugate base of hypochlorous acid.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">c(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Calculate the concentration of </span><math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"><msup><mi mathvariant="normal">H</mi><mo>+</mo></msup><mo> </mo><mo>(</mo><mi>aq</mi><mo>)</mo></math><span class="fontstyle0"> in a </span><math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"><mi>HClO</mi><mo> </mo><mfenced><mi>aq</mi></mfenced></math><span class="fontstyle0"> solution with a </span><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mi>pH</mi><mo>=</mo><mn>3</mn><mo>.</mo><mn>61</mn></math>.</p>
<div class="marks">[1]</div>
<div class="question_part_label">c(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">State the type of reaction occurring when ethane reacts with chlorine to produce chloroethane.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Predict, giving a reason, whether ethane or chloroethane is more reactive.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Explain the mechanism of the reaction between chloroethane and aqueous sodium hydroxide, <math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"><mi>NaOH</mi><mo> </mo><mo>(</mo><mi>aq</mi><mo>)</mo></math>, using curly arrows to represent the movement of electron pairs.</span></p>
<div class="marks">[3]</div>
<div class="question_part_label">d(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Ethoxyethane (diethyl ether) can be used as a solvent for this conversion.<br>Draw the structural formula of ethoxyethane</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Deduce the number of signals and chemical shifts with splitting patterns in the <sup>1</sup>H NMR</span><span class="fontstyle0"> spectrum of ethoxyethane. Use section 27 of the data booklet.</span></p>
<div class="marks">[3]</div>
<div class="question_part_label">d(v).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Calculate the percentage by mass of chlorine in </span><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msub><mi>CCl</mi><mn>2</mn></msub><msub><mi mathvariant="normal">F</mi><mn>2</mn></msub></math><span class="fontstyle0">.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">e(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0">Comment on how international cooperation has contributed to the lowering of <math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mi>CFC</mi></math> emissions responsible for ozone depletion.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">e(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span class="fontstyle0"><math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><mi>CFC</mi></math>s produce chlorine radicals. Write two successive propagation steps to show how chlorine radicals catalyse the depletion of ozone.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">e(iii).</div>
</div>
<br><hr><br><div class="specification">
<p>Calcium carbide, CaC<sub>2</sub>, is an ionic solid.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe the nature of ionic bonding.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe how the relative atomic mass of a sample of calcium could be determined from its mass spectrum.</p>
<div class="marks">[2]</div>
<div class="question_part_label">b.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>When calcium compounds are introduced into a gas flame a red colour is seen; sodium compounds give a yellow flame. Outline the source of the colours and why they are different.</p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest <strong>two </strong>reasons why solid calcium has a greater density than solid potassium.</p>
<div class="marks">[2]</div>
<div class="question_part_label">d.i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Outline why solid calcium is a good conductor of electricity.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d.ii.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Sketch a graph of the first six ionization energies of calcium.</p>
<p><img src="data:image/png;base64,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"></p>
<div class="marks">[2]</div>
<div class="question_part_label">e.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Calcium carbide reacts with water to form ethyne and calcium hydroxide.</p>
<p style="text-align: center;">CaC<sub>2</sub>(s) + H<sub>2</sub>O(l) → C<sub>2</sub>H<sub>2</sub>(g) + Ca(OH)<sub>2</sub>(aq)</p>
<p>Estimate the pH of the resultant solution.</p>
<div class="marks">[1]</div>
<div class="question_part_label">f.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe how sigma (σ) and pi (<span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="\pi ">
<mi>π</mi>
</math></span>) bonds are formed.</p>
<p><img src="data:image/png;base64,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"></p>
<p> </p>
<div class="marks">[2]</div>
<div class="question_part_label">g.i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce the number of σ and <span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="\pi ">
<mi>π</mi>
</math></span> bonds in a molecule of ethyne.</p>
<p><img src="data:image/png;base64,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"></p>
<p> </p>
<div class="marks">[1]</div>
<div class="question_part_label">g.ii.</div>
</div>
<br><hr><br><div class="specification">
<p><span style="background-color: #ffffff;">This question is about sodium and its compounds.</span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">The Born-Haber cycle for sodium oxide is shown (not to scale).</span></p>
<p><span style="background-color: #ffffff;"><img src="images/3d.PNG_1.png" alt width="391" height="427"></span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">Sodium peroxide is used in diving apparatus to produce oxygen from carbon dioxide.</span></p>
<p style="text-align: center;"><span style="background-color: #ffffff;">2Na<sub>2</sub>O<sub>2</sub> (s) + 2CO<sub>2</sub> (g) → 2Na<sub>2</sub>CO<sub>3</sub> (s) + O<sub>2</sub> (g)</span></p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Plot the relative values of the first four ionization energies of sodium.</span></p>
<p> </p>
<p><span style="background-color: #ffffff;"><img src="data:image/png;base64,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"></span></p>
<p><span style="background-color: #ffffff;"> </span></p>
<div class="marks">[1]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Outline why the alkali metals (group 1) have similar chemical properties.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">b.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Describe the structure and bonding in solid sodium oxide.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Calculate values for the following changes using section 8 of the data booklet.</span></p>
<p><span style="background-color: #ffffff;"><br>ΔH<sub>atomisation</sub> (Na) = 107 kJ mol<sup>−1</sup><br>ΔH<sub>atomisation</sub> (O) = 249 kJ mol<sup>−1</sup></span></p>
<p><span style="background-color: #ffffff;"><span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="\frac{1}{2}">
<mfrac>
<mn>1</mn>
<mn>2</mn>
</mfrac>
</math></span></span>O<sub>2</sub>(g) <span style="background-color: #ffffff;">→ </span>O<sup>2- </sup>(g):</p>
<p><span style="background-color: #ffffff;">Na (s) → Na<sup>+</sup> (g):</span></p>
<p> </p>
<p> </p>
<div class="marks">[2]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">The standard enthalpy of formation of sodium oxide is −414 kJ mol<sup>−1</sup>. Determine the lattice enthalpy of sodium oxide, in kJ mol<sup>−1</sup>, using section 8 of the data booklet and your answers to (d)(i).</span></p>
<p><span style="background-color: #ffffff;"><br>(If you did not get answers to (d)(i), use +850 kJ mol<sup>−1</sup> and +600 kJ mol<sup>−1</sup> respectively, but these are not the correct answers.)</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Justify why K<sub>2</sub>O has a lower lattice enthalpy (absolute value) than Na<sub>2</sub>O.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Write equations for the separate reactions of solid sodium oxide and solid phosphorus(V) oxide with excess water and differentiate between the solutions formed.</span></p>
<p><span style="background-color: #ffffff;"><span style="background-color: #ffffff;">Sodium oxide, Na<sub>2</sub>O:</span></span></p>
<p><span style="background-color: #ffffff;"><span style="background-color: #ffffff;"><span style="background-color: #ffffff;">Phosphorus(V) oxide, P<sub>4</sub>O<sub>10</sub>:</span></span></span></p>
<p><span style="background-color: #ffffff;"><span style="background-color: #ffffff;"><span style="background-color: #ffffff;"><span style="background-color: #ffffff;">Differentiation:</span></span></span></span></p>
<p> </p>
<p> </p>
<div class="marks">[3]</div>
<div class="question_part_label">e.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p style="text-align: left;"><span style="background-color: #ffffff;">Sodium peroxide, Na<sub>2</sub>O<sub>2</sub>, is formed by the reaction of sodium oxide with oxygen.</span></p>
<p style="text-align: center;"><span style="background-color: #ffffff;">2Na<sub>2</sub>O (s) + O<sub>2</sub> (g) → 2Na<sub>2</sub>O<sub>2</sub> (s)</span></p>
<p style="text-align: left;"><span style="background-color: #ffffff;">Calculate the percentage yield of sodium peroxide if 5.00g of sodium oxide produces 5.50g of sodium peroxide.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">f.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Determine the enthalpy change, <em>ΔH</em>, in kJ, for this reaction using data from the table and section 12 of the data booklet.</span></p>
<p style="padding-left:90px;"><span style="background-color: #ffffff;"><img src="data:image/png;base64,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"></span></p>
<div class="marks">[3]</div>
<div class="question_part_label">g(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Outline why bond enthalpy values are not valid in calculations such as that in (g)(i).</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">g(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">An allotrope of molecular oxygen is ozone. Compare, giving a reason, the bond enthalpies of the O to O bonds in O<sub>2</sub> and O<sub>3</sub>.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">h.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Outline why a real gas differs from ideal behaviour at low temperature and high pressure.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">i.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">The reaction of sodium peroxide with excess water produces hydrogen peroxide and one other sodium compound. Suggest the formula of this compound.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">j.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">State the oxidation number of carbon in sodium carbonate, Na<sub>2</sub>CO<sub>3</sub>.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">k.</div>
</div>
<br><hr><br><div class="specification">
<p>Organomagnesium compounds can react with carbonyl compounds. One overall equation is:</p>
<p style="text-align: center;"><img 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"></p>
</div>
<div class="specification">
<p>Compound B can also be prepared by reacting an alkene with water.</p>
</div>
<div class="specification">
<p>Iodomethane is used to prepare CH<sub>3</sub>Mg<math xmlns="http://www.w3.org/1998/Math/MathML"><mtext>I</mtext></math>. It can also be converted into methanol:</p>
<p style="text-align: center;">CH<sub>3</sub><math xmlns="http://www.w3.org/1998/Math/MathML"><mtext>I</mtext></math> + HO<sup>–</sup> → CH<sub>3</sub>OH + <math xmlns="http://www.w3.org/1998/Math/MathML"><mtext>I</mtext></math><sup>–</sup></p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the name of Compound B, applying International Union of Pure and Applied Chemistry (IUPAC) rules.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Compound A and Compound B are both liquids at room temperature and pressure. Identify the strongest intermolecular force between molecules of Compound A.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the number of <math xmlns="http://www.w3.org/1998/Math/MathML"><mtext>σ</mtext></math> (sigma) and <math xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal">π</mi></math> (pi) bonds in Compound A.</p>
<p><img src="data:image/png;base64,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"></p>
<div class="marks">[1]</div>
<div class="question_part_label">a(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce the hybridization of the central carbon atom in Compound A.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Identify the isomer of Compound B that exists as optical isomers (enantiomers).</p>
<div class="marks">[1]</div>
<div class="question_part_label">a(v).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Draw the structural formula of the alkene required.</p>
<p style="text-align:left;"><img src="data:image/png;base64,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"></p>
<div class="marks">[1]</div>
<div class="question_part_label">b(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why the reaction produces more (CH<sub>3</sub>)<sub>3</sub>COH than (CH<sub>3</sub>)<sub>2</sub>CHCH<sub>2</sub>OH.</p>
<div class="marks">[2]</div>
<div class="question_part_label">b(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce the structural formula of the repeating unit of the polymer formed from this alkene.</p>
<div class="marks">[1]</div>
<div class="question_part_label">b(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce what would be observed when Compound B is warmed with acidified aqueous potassium dichromate (VI).</p>
<div class="marks">[1]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Identify the type of reaction.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Outline the requirements for a collision between reactants to yield products.</p>
<div class="marks">[2]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain the mechanism of the reaction using curly arrows to represent the movement of electron pairs.</p>
<div class="marks">[3]</div>
<div class="question_part_label">d(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>The polarity of the carbon–halogen bond, C–X, facilitates attack by HO<sup>–</sup>.</p>
<p>Outline, giving a reason, how the bond polarity changes going down group 17.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iv).</div>
</div>
<br><hr><br><div class="specification">
<p><span style="background-color: #ffffff;">Rhenium, Re, was the last element with a stable isotope to be isolated.</span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">Before its isolation, scientists predicted the existence of rhenium and some of its properties.</span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">One chloride of rhenium has the empirical formula ReCl<sub>3</sub>.</span></p>
</div>
<div class="specification">
<p><span style="background-color: #ffffff;">Rhenium forms salts containing the perrhenate(VII) ion, ReO<sub>4</sub><sup>−</sup>.</span></p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">The stable isotope of rhenium contains 110 neutrons.</span></p>
<p><span style="background-color: #ffffff;">State the nuclear symbol notation <span class="mjpage"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{}_{\text{Z}}^{\text{A}}{\text{X}}">
<msubsup>
<mrow>
</mrow>
<mrow>
<mtext>Z</mtext>
</mrow>
<mrow>
<mtext>A</mtext>
</mrow>
</msubsup>
<mrow>
<mtext>X</mtext>
</mrow>
</math></span> for this isotope.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Suggest the basis of these predictions.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">A scientist wants to investigate the catalytic properties of a thin layer of rhenium </span><span style="background-color: #ffffff;">metal on a graphite surface.<br></span></p>
<p><span style="background-color: #ffffff;">Describe an electrochemical process to produce a layer of rhenium on graphite.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Predict <strong>two</strong> other chemical properties you would expect rhenium to have, given its position in the periodic table.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">b(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Describe how the relative reactivity of rhenium, compared to silver, zinc, and copper, can be established using pieces of rhenium and solutions of these metal sulfates.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">State the name of this compound, applying IUPAC rules.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Calculate the percentage, by mass, of rhenium in ReCl<sub>3</sub>.</span></p>
<div class="marks">[2]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Suggest why the existence of salts containing an ion with this formula could be predicted. Refer to section 6 of the data booklet.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">e(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Deduce the coefficients required to complete the half-equation.</span></p>
<p><span style="background-color: #ffffff;"><span style="background-color: #ffffff;">ReO<sub>4</sub><sup>−</sup> (aq) + ____H<sup>+</sup> (aq) + ____e<sup>−</sup> ⇌ [Re(OH)<sub>2</sub>]<sup>2+</sup> (aq) + ____H<sub>2</sub>O (l) E<sup>θ</sup> = +0.36 V</span></span></p>
<div class="marks">[1]</div>
<div class="question_part_label">e(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p><span style="background-color: #ffffff;">Predict, giving a reason, whether the reduction of ReO<sub>4</sub><sup>−</sup> to [Re(OH)<sub>2</sub>]<sup>2+</sup> would oxidize Fe<sup>2+</sup> to Fe<sup>3+</sup> in aqueous solution. Use section 24 of the data booklet.</span></p>
<div class="marks">[1]</div>
<div class="question_part_label">e(iii).</div>
</div>
<br><hr><br><div class="specification">
<p>Iron may be extracted from iron (II) sulfide, FeS.</p>
</div>
<div class="specification">
<p>Iron (II) sulfide, FeS, is ionically bonded.</p>
</div>
<div class="specification">
<p>The first step in the extraction of iron from iron (II) sulfide is to roast it in air to form iron (III) oxide and sulfur dioxide.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Outline why metals, like iron, can conduct electricity.</p>
<div class="marks">[1]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Justify why sulfur is classified as a non-metal by giving <strong>two</strong> of its chemical properties.</p>
<div class="marks">[2]</div>
<div class="question_part_label">b.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Sketch the first eight successive ionisation energies of sulfur.</p>
<p><img style="display:block;margin-left:auto;margin-right:auto;" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAksAAAHiCAYAAAD4Roi5AAAgAElEQVR4Ae197ZHsxpXs82NDDjDogIIWiBaIFogWiBasPFhZIMa+/6uf+/6IFogeXA/owX2RDR2qLgh0ZU4jUQV0ImIG3UDi1Mk89ZGN7un5P5+zRYEoEAWiQBSIAlEgCuwq8H92z+REFIgCUSAKRIEoEAWiwOeYpXSCKBAFokAUiAJRIAo8USBm6Yk4ORUFokAUiAJRIApEgZil9IEoEAWiQBSIAlEgCjxRIGbpiTg5FQWiQBSIAlEgCkSBmKX0gSgQBaJAFIgCUSAKPFEgZumJODkVBaJAFIgCUSAKRIGYpfSBKBAFokAUiAJRIAo8USBm6Yk4ORUFokAUiAJRIApEgZil9IEoEAWiQBSIAlEgCjxR4C3N0u9+9x+flZ//+9///Rk/2Opx7feO7R2v62q/hcO5reN7x/aOVxu138KlrW2tFV0U7Ks1OLMt5IoNbbY/7DE1VzbuFi5tXasfo4bY2n6l1FDB/quptLUax6qG61op1ytYtl6FO2v/lmZJERemit3+3//+Lwv9zGJZHBpWsNV5mYSVuCyWxYXXUiFHvVw1UOKGFz9uFV1dWLZervZdccPr+LVLnbvZ2rK1YtY2BROz1FErZomfzJXBwQ4MJSawykBy5OCI6eLlylWJ66iX0r4L++68XLq64rL1crXvintHXiwnzJtHbjFLHTUVs9QJldNRIApEgSgQBaLABRWIWeoUTTFLjlcHjpigrLhzRw6OmOG1dGZWWxaHqC6sox+6clXivjsvRasZsGy9ZshVyeGOvFhOy2x43O+YpY6WMUuehVIZ8ApWGUhKXBbL4lQD4uDlylWJG178+FJ0dWHZernad8UNr3xmqWMFPscsdRSKWeInc8UAjJ70lFwV7JV4uXJV4rKL1Aw1CC/+jrSi1QxYth/OkKuSwx15sZwwZxy5xSx11IxZillCF2EnKBanxARWmSDYHFicmqsSN7zG9y1HvZSYM2DZfjhDrkoOd+TFcsK8deQWs9RRUzFLnVA5HQWiQBSIAlEgClxQgZilTtHuapZGufOO3C+fDq+XJTw1QOp1qtwvN5Z6vSzhqQHuWK9RnGKWOl1XMUvK7VEWy+JAQ8EqHU6Jy2JZXHgtHdRRL1cNlLjhxY9bRVcXlq2Xq31X3PDKB7w7ViAf8O4JBLOEAVqDtB7Xvhbzel64veMtrrDrY3vH92LuHV/HbXGYHOp8e7x3TMFWrHavXK9gq40RvJAntsqh9uwx4HvY4vUAmttq8+/l1WLrcbvvXR9ey9wCzba02ju+hX0EeKFvMNe39WrrXI/38qrztWfaarH1uN0f2VZ4Pe+HZ9errTMet7VGrUZsubPUUT13lvhXvtWhO5I+TtcAOBqrDCRHDo6Y0MjBy5WrEje8+PGl6OrCsvVyte+KG165s9Rbi2KWOgrFLPGTOaRkJzMWp8QElp301LhsvixObd/By5WrEje8xo8ZR72UmDNg2X44Q65KDnfkxXLCHHvkFrPUUVMxS51QOR0FokAUiAJRIApcUIGYpU7RFLOkOH4Wy+JAQ8Eq7lyJy2JZXHgtHdRRL1cNlLjhxY9bRVcXlq2Xq31X3PDK23AdK5APePcEilniJ3PF2Iye9JRcFeyVeLlyVeKyi9QMNQgv/m1uRasZsGw/nCFXJYc78mI5Yc44csudpY6aMUsxS+gi7ATF4pSYwCoTBJsDi1NzVeKG1/i+5aiXEnMGLNsPZ8hVyeGOvFhOmLeO3GKWOmrGLPGTOaRkBzKLU2ICqwwkRw6OmC5erlyVuI56Ke27sO/Oy6WrKy5bL1f7rrh35MVywrx55Baz1FFTMUudUDkdBaJAFIgCUSAKXFCBmKVO0RSz5Hh14IgJyoo7d+TgiBleS2dmtWVxiOrCOvqhK1cl7rvzUrSaAcvWa4ZclRzuyIvltMyGx/2OWepoGbPkWSiVAa9glYGkxGWxLE41IA5erlyVuOHFjy9FVxeWrZerfVfc8Mpfw3WsQP4aricQzBIGaA3Selz7WvTqeeH2jre4wq6P7R3fi7l3fB23xWFyqPPt8d4xBVux2r1yvYKtNkbwQp7YKofas8eA72GL1wNobqvNv5dXi63H7b53fXg9/zcT0LKnYen9AL7QN5jr23pVu+3+rFyP1iW8nvdDpm9UP9jqA2q9Klbt25io1Ygtd5Y6qufOEv/Ktzp0R9LH6Ro8R2OVgeTIwRETGjl4uXJV4oYXP74UXV1Ytl6u9l1xwyt3lnprUcxSRyHFLHVCTXWanRymSppIJrwIkSaCpF4TFYNIJfUiRJoIctd6jZA4Zqmj+l3NUod2TkeBKBAFokAUiAL/UiBmqdMVFLPkuEXsiAnKyisORw6OmOG1dGZWWxaHqC6sox+6clXivjsvRasZsGy9ZshVyeGOvFhOy2x43O+YpY6WMUuehVIZ8ApWGUhKXBbL4lQD4uDlylWJG178+FJ0dWHZernad8UNr3xmqWMF8tdwPYFilvjJXDEAoyc9JVcFeyVerlyVuOwiNUMNwou/I61oNQOW7Ycz5KrkcEdeLCfMGUduubPUUTNmKWYJXYSdoFicEhNYZYJgc2Bxaq5K3PAa37cc9VJizoBl++EMuSo53JEXywnz1pFbzFJHTcUsdULldBSIAlEgCkSBKHBBBWKWOkVTzJLi+FksiwMNBau4cyUui2Vx4bV0UEe9XDVQ4oYXP24VXV1Ytl6u9l1xwyufWepYgXxmqSdQzBI/mSvGZvSkp+SqYK/Ey5WrEpddpGaoQXjxbwcrWs2AZfvhDLkqOdyRF8sJc8aRW+4sddSEWULnrA5aj2uPy+tx7StkPa/9HrbOt3sW+9G20OGqPXdb1Q727rZG8PpoDRRditcZbVVeZ7QVXs//zcQZY0apd1uvuq7du8e3q63wet4Pz5gLqra9PoRajdhiljqq585S7izV4O10lcdpDHh2U7DKBMHGZXHg48KGF6+tqwZKXLZeSswZsOHlmbcctWVrxc7DLC5mqaOUYpY6oaY6ParDuUUIL7fCx8ZPvY7V0x0t9XIrfGz8u9brWJW4aDFLHZ0Us+Rw0Y6YoKwMIkcOjpjhtXRmVlsWh6gurKMfunJV4r47L0WrGbBsvWbIVcnhjrxYTstseNzvmKWOljFLnoVSGfAKVhlISlwWy+JUA+Lg5cpViRte/PhSdHVh2Xq52nfFDa+8DdexAvlruJ5AMUv8ZK4YgNGTnpKrgr0SL1euSlx2kZqhBuHF35FWtJoBy/bDGXJVcrgjL5YT5owjt9xZ6qgZsxSzhC7CTlAsTokJrDJBsDmwODVXJW54je9bjnopMWfAsv1whlyVHO7Ii+WEeevILWapo2bMEj+ZQ0p2ILM4JSawykBy5OCI6eLlylWJ66iX0r4L++68XLq64rL1crXvintHXiwnzJtHbjFLHTUVs9QJNdXpUR3OLUJ4uRU+Nn7qdaye7mipl1vhY+PftV7HqsRFi1nq6KSYJcerA0dMUFYGkSMHR8zwWjozqy2LQ1QX1tEPXbkqcd+dl6LVDFi2XjPkquRwR14sp2U2PO53zFJHS5gldM7qoPW49rWQ1PPC7R1vcYVdH9s7vhdz7/g6botDh6vz7fHeMQVbsdq9cr2CrTZG8EKe2CqH2rPHgO9hi9cDaG6rzb+XV4utx+2+d314Pf/mZGjZ07D0fgBf6BvM9W29qt12f1auR+sSXs/7IdM3qh9s9QG1XhWr9m1M1GrEFrPUUT13ljx3FWrwdOR/nFawykBS4rJYFgdiCtbBS2nfhQ0vvh+4aqDEZeulxJwBG1756oDeWhSz1FEoZomfzBUD4Jog2UlPyVXBXomXK1clrqNeSvsu7LvzcunqisvWy9W+K+4debGcOku7fDpmqSOZYpY6oXI6CkSBKBAFokAUuKACMUudoilmyfHqwBETlBV37sjBETO8ls7MasviENWFdfRDV65K3HfnpWg1A5at1wy5KjnckRfLaZkNj/sds9TRMmbJs1AqA17BKgNJictiWZxqQBy8XLkqccOLH1+Kri4sWy9X+6644ZXPLHWsQP7dSU+gmCV+MlcMwOhJT8lVwV6JlytXJS67SM1Qg/Di70grWs2AZfvhDLkqOdyRF8sJc8aRW+4sddSMWYpZQhdhJygWp8QEVpkg2BxYnJqrEje8xvctR72UmDNg2X44Q65KDnfkxXLCvHXkFrPUUVMxS51QOR0FokAUiAJRIApcUIGYpU7RFLOkOH4Wy+JAQ8Eq7lyJy2JZXHgtHdRRL1cNlLjhxY9bRVcXlq2Xq31X3PC6zmeWOku27XTMUkfamCV+MoeU7GTG4pSYwLKTnhqXzZfFqe07eLlyVeKG1/gx46iXEnMGLNsPZ8hVyeGOvFhOmGOP3N7SLMEAKT8oThWoHtcexajHta8C1fPa72HrfLtnsWlr+er7Vrt6rGhY17R79npcw2K3cMr1CvbVth6kdvp3q9NeTnvHt/JKW9t9SNVwXRflegW7VUP1+q0Y7LG09e9/+QEt2h+Xhm0b9fisttbt4PnZ21uaJUXk3FniX/lCV/ZVD4tTYgKLQcxujhwcMV28XLkqcR31Utp3Yd+dl0tXV1y2Xq72XXHvyIvlxK4DLC5mqaNUzBJvgCAlO+hZnBITWGUgOXJwxHTxcuWqxHXUS2nfhX13Xi5dXXHZernad8W9Iy+WE+bNI7eYpY6ailnqhMrpKBAFokAUiAJR4IIKxCx1iqaYJcerA0dMUFbcuSMHR8zwWjozqy2LQ1QX1tEPXbkqcd+dl6LVDFi2XjPkquRwR14sp2U2PO53zFJHy5glz0KpDHgFqwwkJS6LZXGqAXHwcuWqxA0vfnwpurqwbL1c7bvihtd1vjqArVVnaZdPxyx1JItZ4idzxQCMnvSUXBXslXi5clXiKhMfG5fFKXVVse/Oa4YaKDmw9VJizoC9Iy+WE8bskVvMUkfNmKWYJXQRduJjcUpMYJUJgs2Bxam5KnHDa3zfctRLiTkDlu2HM+Sq5HBHXiwnzFtHbjFLHTUVs9QJldNRIApEgSgQBaLABRWIWeoUTTFLiuNnsSwONBSs4s6VuCyWxYXX0kEd9XLVQIkbXvy4VXR1Ydl6udp3xQ2vfGapYwU+xyx1FIpZ4idzxdiMnvSUXBXslXi5clXisovUDDUIL/7tYEWrGbBsP5whVyWHO/JiOWHOOHKLWeqoCbOEzlkdtB7XHpfX49pXyHpe+z1snW/3LPajbaHDVXvutqod7N1tjeD10RoouhSvM9qqvM5oK7yWuWVvbOwd3xtHe8erprXfw+0dr+vaetWxdt+7vrDAYavntWePAc9iH8BOW+H1vB8yGj6roVqvilX7ttao1YgtZqmjeu4s5c5SDdROV3mcrknhaKwyQbA5sDiFv4oNL358XaleM+Sq5MD2QyXmDNg78mI5MXOwgolZ6qgVs8RP5spC6ZpIlIHkyMERE7o6eLlyVeKGFz++FF1dWLZervZdccMrn1nqWIF8ZqknkGKWerFyPgpEgSgQBaJAFLieArmz1KmZYpYcr3ocMUGZfSUFrCMHR8zwWjozqy2Lc/UBV73CyzNmlXrNUAMlB3Y+VGLOgL0jL5bTMhse9ztmqaNlzJJn4nVNJMpAcuTgiKksUsCyObA4JaaKddQrvPg+4KrXDDVQcmD7oRJzBuwdebGc0LeP3GKWOmrGLHkmXtdEogwkRw6OmOiiDl6uXJW44cWPL0VXF5atl6t9V9zwymeWOlYgn1nqCRSzxE/m0JKdzFicEhNYdtJT47L5sji1fQcvV65K3PAaP2Yc9VJizoBl++EMuSo53JEXywlz7JFb7ix11FTMUidUTkeBKBAFokAUiAIXVCBmqVM0xSwpjp/FsjjQULCKO1fislgWF15LB3XUy1UDJW548eNW0dWFZevlat8VN7zyNlzHCuRtuJ5AMUv8ZK4Ym9GTnpKrgr0SL1euSlx2kZqhBuHFv82taDUDlu2HM+Sq5HBHXiwnzBlHbrmz1FETZgmdszpoPa49Lq/Hta+Q9bz2e9g63+5Z7EfbQoer9txtVTvYu9saweujNVB0KV5ntFV5ndFWeD3/NxNnjBml3m296rp27x7frrbC63k/PGMuqNr2+hBqNWKLWeqonjtLubNUg7fTVR6nMeDZTcEqEwQbl8WBjwsbXry2rhoocdl6KTFnwIaXZ95y1JatFTsPs7iYpY5SilnqhJrq9KgO5xYhvNwKHxs/9TpWT3e01Mut8LHx71qvY1XiosUsdXS6q1nq0M7pKBAFokAUiAJR4F8KxCx1uoJilhy3HB0xQVl5xeHIwREzvJbOzGrL4hDVhXX0Q1euStx356VoNQOWrdcMuSo53JEXy2mZDY/7HbPU0TJmybNQKgNewSoDSYnLYlmcakAcvFy5KnHDix9fiq4uLFsvV/uuuOGVzyx1rEC+OqAnUMwSP5krBmD0pKfkqmCvxMuVqxKXXaRmqEF48XekFa1mwLL9cIZclRzuyIvlhDnjyC13ljpqxizFLKGLsBMUi1NiAqtMEGwOLE7NVYkbXuP7lqNeSswZsGw/nCFXJYc78mI5Yd46cotZ6qipmKVOqJyOAlEgCkSBKBAFLqhAzFKnaIpZUhw/i2VxoKFgFXeuxGWxLC68lg7qqJerBkrc8OLHraKrC8vWy9W+K2545TNLHSuQzyz1BIpZ4idzxdiMnvSUXBXslXi5clXisovUDDUIL/7tYEWrGbBsP5whVyWHO/JiOWHOOHLLnaWOmjBL6JzVQetx7XF5Pa59hazntd/D1vl2z2I/2hY6XLXnbqvawd7d1gheH62BokvxOqOtyuuMtsLr+b+ZOGPMKPVu61XXtXv3+Ha1FV7P++EZc0HVtteHUKsRW8xSR/XcWcqdpRq8na7yOI0Bz24KVpkg2LgsDnxc2PDitXXVQInL1kuJOQM2vDzzlqO2bK3YeZjFxSx1lFLMUifUVKdHdTi3COHlVvjY+KnXsXq6o6VeboWPjX/Xeh2rEhctZqmjk2KWHC7aEROUlUHkyMERM7yWzsxqy+IQ1YV19ENXrkrcd+elaDUDlq3XDLkqOdyRF8tpmQ2P+x2z1NEyZsmzUCoDXsEqA0mJy2JZnGpAHLxcuSpxw4sfX4quLixbL1f7rrjhlbfhOlYgfw3XEyhmiZ/MFQMwetJTclWwV+LlylWJyy5SM9QgvPg70opWM2DZfjhDrkoOd+TFcsKcceSWO0sdNWOWYpbQRdgJisUpMYFVJgg2Bxan5qrEDa/xfctRLyXmDFi2H86Qq5LDHXmxnDBvHbnFLHXUvKtZ6tD+4rQyOFksi0MiCvaLxDtPlLgslsXNwMuVqxK3U6IvTrNxWZxaAyXuF4l3nrBxWdwMvGbIVcmhU6JfTysxZ8D+mnjnwQy5sjnELHWKOeq0YpZG5fiRdkd1uI/kqlwTXopa47Gp1/gaKBmkXopa47F3rdcIZXNnqaO6YpZYZ4wmWSyLU2ICqwwiRw6OmOEFBcb3LaW2jn6otO/Cvjsvl66uuGy9XO274t6RF8tpmQ2P+x2z1NESZgkduTpzPa59LU71vHB7x1tcYdfH9o7vxdw7vo7b4tDh6nx7vHdMwVasdq9cr2CrjRG8kCe2yqH27DHge9ji9QCa22rz7+XVYutxu+9dH17PvzkZWvY0LL0fwBf6BnN9W69qt92flevRuoTX837I9I3qB1t9QK1Xxap9GxO1GrHFLHVUz50l/k5FdeiOpI/TNXiOxioDyZGDIyY0cvBy5arEDS9+fCm6urBsvVztu+KGV746oLcWxSx1FIpZ4idzSMlOZixOiQksO+mpcdl8WZzavoOXK1clbniNHzOOeikxZ8Cy/XCGXJUc7siL5YQ59sgtZqmjpmKWOqFyOgpEgSgQBaJAFLigAjFLnaIpZklx/CyWxYGGglXcuRKXxbK48Fo6qKNerhooccOLH7eKri4sWy9X+6644ZW34TpWIN/g3RMoZomfzBVjM3rSU3JVsFfi5cpVicsuUjPUILz4t7kVrWbAsv1whlyVHO7Ii+WEOePILXeWOmrGLMUsoYuwExSLU2ICq0wQbA4sTs1ViRte4/uWo15KzBmwbD+cIVclhzvyYjlh3jpyi1nqqBmzxE/mkJIdyCxOiQmsMpAcOThiuni5clXiOuqltO/Cvjsvl66uuGy9XO274t6RF8sJ8+aRW8xSR03FLHVC5XQUiAJRIApEgShwQQViljpFU8yS49WBIyYoK+7ckYMjZngtnZnVlsUhqgvr6IeuXJW4785L0WoGLFuvGXJVcrgjL5bTMhse9ztmqaNlzJJnoVQGvIJVBpISl8WyONWAOHi5clXihhc/vhRdXVi2Xq72XXHDK38N17EC7/nXcDBAyg8GUg2melx7CFyPa1+i1/Pa72HrfLtnsWlr+er7Vrt6rGhY17R79npcw2K3cMr1CvbVth6kdvp3q9NeTnvHt/JKW9t9SNVwXRflegW7VUP1+q0Y7LG09e9/+QEt2h+Xhm0b9fisttbt4PnZW+4sdRTPnSX+lS+kZF/5sTglJrAYxOzmyMER08XLlasS11EvpX0X9t15uXR1xWXr5WrfFfeOvFhO7DrA4oaZpb/+9b8+4+fnn//J5joEF7PEGyAUiB30LE6JCawykBw5OGK6eLlyVeI66qW078K+Oy+Xrq64bL1c7bvi3pEXywnz5pHbMLP0l7/8569vhX377R+mNU6KWTqyMIkVBaJAFIgCUSAKzKHAMLP0yy+/PAzSd9/98VfTBGMym3FSzJLj1YEjJrqe4s4dOThihtcyqbDasjhEdWEd/dCVqxL33XkpWs2AZes1Q65KDnfkxXJaZsPjfg8zSy2FT58+TWucYpY8C6Uy4BWsMpCUuCyWxakGxMHLlasSN7z48aXo6sKy9XK174obXvlruNaTbD2ewiy1ie0ZJ9yBwmeczt5ilvjJHLVhJzMWp8QElp301LhsvixObd/By5WrEje8xo8ZR72UmDNg2X44Q65KDnfkxXLCHHvkNp1Z+vHHv33+4Yc/f/7mm9//+vYc3pqDacEPHp/5ofCYJX4yR8dkBzKLU2ICqwwkRw6OmC5erlyVuI56Ke27sO/Oy6WrKy5bL1f7rrh35MVywrx55DaFWYJB+v77P33++uuvvjBF7V/L4Y5TfSgcd5nO2hSzdFZOaScKRIEoEAWiQBQ4T4FhZgl3h3oGaUuGusuED4ifsSlmyfHqwBETuinu3JGDI2Z4LSOC1ZbFIaoL6+iHrlyVuO/OS9FqBixbrxlyVXK4Iy+W0zIbHvd7mFmqu0TqX78BP+udJaUTs1gWpy5oSodz5OCICQ3Cizc2rhoocR31Utp3Yd+dl0tXV1y2Xq72XXHvyIvldJxNWiINM0s//fSPD3326Kw7SiU07iyhI1dnrse1B64e176uree138PW+XbPYj/aFjpcteduq9rB3t3WCF4frYGiS/E6o63K64y2wmuZW/bGxt7xvXG0d7xqWvs93N7xuq6tVx1r973rCwsctnpee/YY8Cz2Aey0FV7P+yGj4bMaqvWqWLVva41ajdiGmaURZD/SZt6G4+9UQN8aFD2tWZwSE1hlIDlycMR08XLlqsR11Etp34V9d14uXV1x2Xq52nfFvSMvllNvDVLPDzNL+MD23//+P/QP8CM2xSyNyO+jbY7qcB/Nl70uvFil5sClXnPUgc0i9WKVmgN3x3qN4jTMLNVnlmBG2J+zvzYA3f2uZmmOoZwsokAUiAJRIArMr8Aws4S7SvWXbfjKAPxlHAwUftp/gYLHOIbzMC7AnnmXSTFLjlupjpjoloo7d+TgiBley4TDasviENWFdfRDV65K3HfnpWg1A5at1wy5KjnckRfLaZkNj/s9zCzhqwNgRGCYtj60jQ+Awxjhp87je5dwDYzTWVvMkmehVAa8glUGkhKXxbI49F8F6+CltO/ChhffD1w1UOKy9VJizoANr/y7k56nGGaW6k4RTNHeVuao/Tcn+GZvGKiztpglfjJHTdiJj8UpMYFlJz01Lpsvi1Pbd/By5arEDa/xY8ZRLyXmDFi2H86Qq5LDHXmxnDDHHrkNM0v1FlzdNdoihbfqYFbwNlxtzHWFPWIfs8RP5tCbHcgsTokJrDKQHDk4Yrp4uXJV4jrqpbTvwr47L5eurrhsvVztu+LekRfLCfPmkdsws1SfS3r2f9627izNbJaOLExiRYEoEAWiQBSIAnMoMMwslRHqfWYJd3bKUOEtOzzHNWdtubPE3y1CTdhXSCxOiQms8qrDkYMjpouXK1clrqNeSvsu7LvzcunqisvWy9W+K+4debGcMG8euQ0zSyDxww9/fpgffAZp76/h6vNK9YFvmBf8492ztpgl3gChJuygZ3FKTGCVgeTIwRHTxcuVqxLXUS+lfRf23Xm5dHXFZevlat8V9468WE6YN4/chpolEIEZwoe2YUraH7xNh88s1YbPLQFX5qmOu/fICR25OnM9rj3ar8e1r5zqee33sHW+3bPYj7aFDlftuduqdrB3tzWC10droOhSvM5oq/I6o63wev5vJs4YM0q923rVde3ePb5dbYXX8354xlxQte31IdRqxDbMLOGD3e2Hu/FWW32j95nfo9QTPXeW+LtF1cl7mio4FasMJAxOdmOxLG4GXq5clbiOeintu7DvzsulqysuWy9X+664d+TFcmLndhY3zCzhLTi8/dbePWKTPhOnmKUz83q1rVEd7tW8e9eHV0+huc6nXnPVo5dN6tVTaK7zd63XCJWHmaWz/6rto+IqZsnx6sARU9XCkYMjZngtCrDasjhEdWGVmrE5sLjw0vqLo1bOGij9gOWmxJwBe0deowzgMLNUX0p5pztLjsHhiIkBpHQ4Rw6OmOG1TI2stiwOUV1YRz905arEfXdeilYzYNl6zZCrksMdebGcltnwuN/DzBI+l4QPceOtOLwlh54STaoAACAASURBVL9wq88srfcjP8N01ztLSodTBieLZXHqQh1evLFx1UCJ66iX0r4L++68XLq64rL1crXvintHXiyn42zSEmmYWcJft8GIMD/tN3gfLUAvXswSv/hCS3bQszglJrDKQHLk4Ijp4uXKVYnrqJfSvgv77rxcurrisvVyte+Ke0deLCfMm0duw8wS7h7BBDE/I9+qi1niDRA6JjvoWZwSE1hlIDlycMR08XLlqsR11Etp34V9d14uXV1x2Xq52nfFvSMvlhPmzSO3YWbpSBLOWIpZcuZxdOxRHe5oHut44bVWZO7nqdfc9Vlnl3qtFZn7+V3rNUL1qcxS+71LI8TYalMxS45XB46Y4KkMIkcOjpjhtfRgVlsWh6gurKMfunJV4r47L0WrGbBsvWbIVcnhjrxYTstseNzv4WYJX0aJv4yrb/Guzyfhm7rr8XF09UgwS+ic1UHrce0RsR7Xvlqp57Xfw9b5ds9iP9oWOly1526r2sHe3dYIXh+tgaJL8TqjrcrrjLbC6/k3J58xZpR6t/Wq69q9e3y72gqv5/3wjLmgatvrQ6jViG2oWYIhghnBT33vUhkk/KUcjuMv5UZuyIHdUGx2Y7EsDu0qWKXDKXFZLIsLr6VHOerlqoESN7z4cavo6sKy9XK174obXsevXerczdaWrdUycx73e5hZwtcB4GsDcEep/tUJjEmZJbwlVwYqH/DmCs52NkRTOpwSl8WyOOSqYMOL10vR1YV11MuVqxL33XkpWs2AZes1Q65KDnfkxXLiVk0eNcws4Y4RzBG+XwkbDFFrlnDsp5/+8TiGt+lGbcqdpVE5pt0oEAWiQBSIAlHAp8Aws1R3jepD3VtmCedgVoAdtSlmSXH8LJbFQR8Fq7hzJS6LZXHhtfR8R71cNVDihhc/bhVdXVi2Xq72XXHDK2/D9TxGzFJHoZglfjJXjM3oSU/JVcFeiZcrVyUuu0jNUIPw4t++V7SaAcv2wxlyVXK4Iy+WE+aMI7dhZqnehqvPI23dWaoPgI/8kHfMUswSBhw7QbE4JSawygTB5sDi1FyVuOE1vm856qXEnAHL9sMZclVyuCMvlhPmrSO3YWapPo+Et9jwdtvaLOE8PgAOs1KG6kjibKyYJX4yh6bsQGZxSkxglYHkyMER08XLlasS11EvpX0X9t15uXR1xWXr5WrfFfeOvFhOmDeP3IaZJZDAX77BjOAv4vAhbjzGVwbU1wbg+ci7SshRMUtHFiaxokAUiAJRIApEgS8VeEuzBAnw13D1hZQwJvWDY3gbbvR2V7M0qsO56xleboWPjZ96HaunO1rq5Vb42Ph3rdexKnHRht5ZalOs71rCW254PMummCXHrVRHTGirDCJHDo6Y4bWMGlZbFoeoLqyjH7pyVeK+Oy9FqxmwbL1myFXJ4Y68WE7LbHjc7+FmCV9OCYP07AeYURvMEjpnddB6XHvkVY9rX7nW89rvYet8u2exH20LHa7ac7dV7WDvbmsEr4/WQNGleJ3RVuV1Rlvh9fzfTJwxZpR6t/Wq69q9e3y72gqv5/3wjLmgatvrQ6jViG2oWaq/iKu33vb29a3eIwTKnSXPXQUMDHZTsMpAUuKyWBYH7grWwUtp34UNL74fuGqgxGXrpcScARtenvnYUVu2Vuz6wuKGmaX6WgCYEXy4G4Zo7yd/DceVU+mYSodT4rJYFjeDqVByuBIvV65KXEc/VNp3Yd+dl0tXV1y2Xq72XXHvyIvlxK2aPGqYWaq/eJvhQ9zP5FLuLD2Lk3NRIApEgSgQBaLANRUYZpbW/+5kVvkUs+R4deCICa0Vd+7IwREzvJZRxGrL4hDVhXX0Q1euStx356VoNQOWrdcMuSo53JEXy2mZDY/7Pcws1fcqjfzwNiNjzJJnoVQGvIJVBpISl8WyONWAOHi5clXihhc/vhRdXVi2Xq72XXHDK59Z6vmBYWapvsF75Ie3e+LgfMwSP5krBmD0pKfkqmCvxMuVqxKXXaRmqEF48XekFa1mwLL9cIZclRzuyIvlhDnjyG2YWcIdpbq7hD2+nHLv6wNG3n2KWYpZwoBjJygWp8QEVpkg2BxYnJqrEje8xvctR72UmDNg2X44Q65KDnfkxXLCvHXkNsws4Y4SjAjzM/Luk2KWjixMYkWBKBAFokAUiAJzKDDMLOEu0t5XBayP56sDuM7ieMWBlpW4LJbFqe0rrzocOThiQgMHL1euStzw4seXoqsLy9bL1b4rbnjlM0u9VXaYWeolNst55c6SYyA7YroWX8Rl82VxSszwggLja6DUll2kwouvq6KVimXrpfSBGbDhFbOEsfBsm8os/fLLL89yPewc89Zfi8FAqsFUj2uPpOpx7SvRel77PWydb/csNm0tX33falePFQ3rmnbPXo9rWOwWTrlewb7a1oPUTv9uddrLae/4Vl5pa7sPqRqu66Jcr2C3aqhevxWDPZa2/v0vP6BF++PSsG2jHp/V1rodPD97G26W8E9z8QHvb775/ePzS/X5JHxZZT0+W5S2vdxZ8ryidb2axCBmN0cOjpjg4+DlylWJG178+FJ0dWHZernad8UNr9xZ6q0bQ81S+y9P6ksqyyDVN3zj/8eN3GKW+MkcdWInMxanxASWnfTUuGy+LE5t38HLlasSN7zGjxlHvZSYM2DZfjhDrkoOd+TFcsIce+Q2zCzh6wC+/vqrxx0l3F3Ch7hhTMos4S25MlBX+YD3kYVJrCgQBaJAFIgCUWAOBYaZJdwxgjnC9ythW5slHKsvrsTbdKO23FniX/miRuyrHhanxARWedXhyMER08XLlasS11EvpX0X9t15uXR1xWXr5WrfFfeOvFhOmDeP3IaZpbprVB/q3jJLOAezAuyoLWaJN0CoETvoWZwSE1hlIDlycMR08XLlqsR11Etp34V9d14uXV1x2Xq52nfFvSMvlhPmzSO3mKWOmjFLvAGClOygZ3FKTGCVgeTIwRHTxcuVqxLXUS+lfRf23Xm5dHXFZevlat8V9468WE6YN4/chpmlehuuPo+0dWepPgA+8kPeMUu8AULHZAc9i1NiAqsMJEcOjpguXq5clbiOeintu7DvzsulqysuWy9X+664d+TFcsK8eeQ2zCzV55HwFhveblubJZzHB8BhVspQHUmcjaWYJTZmcFEgCkSBKBAFosB1FBhmliAR/vINZgTfsVT/VBdfGVBfG4BzI+8qIUfFLDleHThigpfizh05OGKGFxQYf3dPqa2jHyrtu7DvzsulqysuWy9X+664d+TFclpmw+N+DzVLoIG/hqsvpIQxqR8cw9two7eYJX7xRa3YQc/ilJjAKgPJkYMjpouXK1clrqNeSvsu7LvzcunqisvWy9W+K+4debGcMG8euQ03S0WmvmsJb7nh8SwbzBI6cnXmelx75FmPa1+51/Pa72HrfLtnsR9tCx2u2nO3Ve1g725rBK+P1kDRpXid0VbldUZb4bXMLXtjY+/43jjaO141rf0ebu94XdfWq461+971hQUOWz2vPXsMeBb7AHbaCq/n/ZDR8FkN1XpVrNq3tUatRmzTmKUR5Jk2c2eJv1sEPWtQ9LRlcUpMYJWB5MjBEdPFy5WrEtdRL6V9F/bdebl0dcVl6+Vq3xX3jrxYTr01SD0fs9RRTDFLnVBTnR7V4dwihJdb4WPjp17H6umOlnq5FT42/l3rdaxKXLSYpY5OdzVLHdo5HQWiQBSIAlEgCvxLgZilTldQzJLjVqojJigrrzgcOThihtfSmVltWRyiurCOfujKVYn77rwUrWbAsvWaIVclhzvyYjkts+Fxv2OWOlrGLHkWSmXAK1hlIClxWSyLUw2Ig5crVyVuePHjS9HVhWXr5WrfFTe8lg/Md5bDx2lXDdi4bK0YLgomZqmjVswSP5lDSrbDszglJrDKQHLk4Ijp4uXKVYnrqJfSvgv77rxcurrisvVyte+Ke0deLCfMm0duw83Sp0+fHt/Qja8M2PsBZtQWs8QbINSIHfQsTokJrDKQHDk4Yrp4uXJV4jrqpbTvwr47L5eurrhsvVztu+LekRfLCfPmkdtQs1T/Hw6G5NkPvul71KaYpVE5pt0oEAWiQBSIAlHAp8Aws1T/JBdmBP/qBIZo7+cq/xvO8erAERPdSXHnjhwcMcNrmShYbVkcorqwjn7oylWJ++68FK1mwLL1miFXJYc78mI5LbPhcb+HmaX6/28z/EuTZ3Iqd5aUTsxiWZy6oCkdzpGDIyY0CC/e2LhqoMR11Etp34V9d14uXV1x2Xq52nfFvSMvltOzdf0j54aZpW+//cPjrbdffvnlI3mfdg3MEjpydeZ6XHskUo9rX8nV89rvYet8u2exH20LHa7ac7dV7WDvbmsEr4/WQNGleJ3RVuV1Rlvh9fzfTJwxZpR6t/Wq69q9e3y72gqv5/3wjLmgatvrQ6jViG2YWcJbbzAiIz+8zQieO0v8nYrq5IyuGBjspmCVgaTEZbEsTtEKWAcvV65K3PDix5eiqwvL1svVvitueHnmY0e92Fqx6wuLG2aWfvrpHw+zNPLD24xIilli4s2CGdXh3PzDy63wsfFTr2P1dEdLvdwKHxv/rvU6ViUu2jCzhDtKdXcJ+x9//Fu+OmCjZg5nvtHM00OOHBwxn5LYOOnIwRFzI/Wnh9gcWBwac2GfElmdZHNgceG1CKzotSrJ7lMl5gzYXSKrEzPkquSwSn/3qRJzNHaUARxmlnBHCXdtmJ+Rd5+UO0uOTuSIiRGjdDhHDo6Y4bXMhay2LA5RXVhHP3TlqsR9d16KVjNg2XrNkKuSwx15sZyW2fC438PMEr4OYO+rAtbH89UBXMEdg8i1UCq5KlhlIClxWSyLU3V18HLlqsQNL96IKrq6sGy9XO274oZXPrPUW2WHmaVeYrOcz50lfjJXDMDoSU/JVcFeiZcrVyUuu0jNUIPw4u9IK1rNgGX74Qy5KjnckRfLCXPGkdtUZglfIzDbVwnELMUsYcCxExSLU2ICq0wQbA4sTs1ViRte4/uWo15KzBmwbD+cIVclhzvyYjlh3jpyG26W8Fdx+ID3N9/8/tfPL+ExjuHc6E0xS6NzVdof1eGUHD+CDa+PqDbumtRrnPYfaTn1+ohq4665a71GKDrULLX/8uTrr7/6jC+qxA8ew6TgZ/Q3fCtmSXH8LJbFofMoWGUQKXFZLIsLr2VacNTLVQMlbnjx41bR1YVl6+Vq3xU3vPKZpZ4BG2aW8NUBMEX42TJEOFbnR35xJcwSBmgN0npc+1rM63nh9o63uMKuj+0d34u5d3wdt8Vhcqjz7fHeMQVbsdq9cr2CrTZG8EKe2CqH2rPHgO9hi9cDaG6rzb+XV4utx+2+d314Pf/mZGjZ07D0fgBf6BvM9W29qt12f1auR+sSXs/7IdM3qh9s9QG1XhWr9m1M1GrENsws1VcHbBmlEgLnYFby1QGlyPN9dcjnqOWs0uGUuCyWxSFbBRtevF6Kri6so16uXJW4785L0WoGLFuvGXJVcrgjL5YTsw4qmGFmqf433LO7RjgHswTsqC1vw/GLL2rEDmQWp8QEVhlIjhwcMV28XLkqcR31Utp3Yd+dl0tXV1y2Xq72XXHvyIvlhHnzyG24WXr21284dyWzdGRhEisKRIEoEAWiQBSYQ4FhZumHH/78MEL4Nyd7G87BLOEv40ZtubPE3y1CjdhXSCxOiQms8qrDkYMjpouXK1clrqNeSvsu7LvzcunqisvWy9W+K+4debGcMG8euQ0zS/hWbhgRfE3Azz//8zeccKy+TiDf4P0beTYPKANO6XBKXBbL4kBUwYYXr5eiqwvrqJcrVyXuu/NStJoBy9ZrhlyVHO7Ii+W0uUi+cHCYWULOdXcJpum77/74678/wWMcww8wIzfkwG5KJ2axLA45KlilwylxWSyLC6+l9znq5aqBEje8+HGr6OrCsvVyte+KG1756oDeOj/ULCE5/MVb3UEqg4Q9jj37S7kesaPOxyzxkzk0ZyczFqfEBJad9NS4bL4sTm3fwcuVqxI3vMaPGUe9lJgzYNl+OEOuSg535MVywhx75DbcLBUZvO2Gt9vws/W2XOHO3itm6ezc0l4UiAJRIApEgSjgV2Aas+Sn+rEW7mqWRrnzj1WBvyq8eK1mQKZeM1SBzyH14rWaAXnXeo3Q9jSzhO9Mwl2j+qqAel53k57tn30Xk1s0xSwpt0dZLIuDDgpWGURKXBbL4sJr6eGOerlqoMQNL37cKrq6sGy9XO274oZXPrPU8xKnmaX6xm6YImz1HGak9zP6G7wxQGuQ1uPag0s9rn2JXs9rv4et8+2exX60LUwO1Z67rWoHe3dbI3h9tAaKLsXrjLYqrzPaCq/n/2bijDGj1LutV13X7t3j29VWeD3vh2fMBVXbXh9CrUZsp5klmCSYnrpLVM9xrPdTBmuEQLmzxL/yrU7O1AkDg90UrDKQlLgslsUpWgHr4OXKVYkbXvz4UnR1Ydl6udp3xQ0vz3zsqBdbK3Z9YXGnmaV1QmWWyjytz9dzfHXA6DtLlUtv7+gYjpjgoXQ4Rw6OmOG19FBWWxaHqC6sox+6clXivjsvRasZsGy9ZshVyeGOvFhOy2x43O9hZgkGCHdtnt01yr87Oa7QiRQFokAUiAJRIAp8TIHTzBKMT/t2W33xJP6VSXu8fYxzMFTAjtryNpznroLy6kjBKq86lLgslsWhPytYBy+lfRc2vPh+4KqBEpetlxJzBmx45W24nsc4zSwhkTI/MCDsz9dff/X07lOP4KvnY5b4yRxasxMfi1NiAstOempcNl8Wp7bv4OXKVYkbXuPHjKNeSswZsGw/nCFXJYc78mI5YY49cjvVLOHuEt52w08ZJ3xLdx3b2tdXDRxJWokVs8RP5tCVHcgsTokJrDKQHDk4Yrp4uXJV4jrqpbTvwr47L5eurrhsvVztu+LekRfLCfPmkdupZqlNHMYIb7n1PuDdXjPiccwSb4BQH3bQszglJrDKQHLk4Ijp4uXKVYnrqJfSvgv77rxcurrisvVyte+Ke0deLCfMm0duw8zSkSScsRSz5MwjsaNAFIgCUSAKRIExCgw1S3iLDW/DtR/qXj/Gh7tH/kNdxSw5Xh04YqKrKe7ckYMjZngtkwirLYtDVBfW0Q9duSpx352XotUMWLZeM+Sq5HBHXiynZTY87vcwswSj9O23f6A+6B2zxBXcMYhcC6WSq4JVBpISl8WyOFVXBy9Xrkrc8OKNqKKrC8vWy9W+K2545a/heqvsMLMEA4S7NjBMP/74t8/48kk8x50lPK8PgOP40RvaUX4wkGow1ePaI7d6XPvKt57Xfg9b59s9i01by1fft9rVY0XDuqbds9fjGha7hVOuV7CvtvUgtdO/W532cto7vpVX2truQ6qG67oo1yvYrRqq12/FYI+lrX//yw9o0f64NGzbqMdntbVuB8/P3oaZpfqeJXzQG9tPP/3jV7NUIhTm55//WYdO38NUsZvjVY8jJvigs7ObIwdHzPBaKspqy+IQ1YV19ENXrkrcd+elaDUDlq3XDLkqOdyRF8uJXd9Y3DCzVG/B1VcDYA9jguO14Q4TjuFu06gtZsmzUCoDXsEqA0mJy2JZHPqzgnXwUtp3YcOL7weuGihx2XopMWfAhlfehut5jGnMEhL95pvff2GWtgxUj9DR5xWzdHTbiRcFokAUiAJRIAqMV2CYWarPJLVvsTF3m86WTDFLjldIjpjQkH0lBawjB0fM8FpGB6sti3P1AVe9wsszZpV6zVADJQd2PlRizoC9Iy+W0zIbHvd7mFmqD3i3H+CuD3nX55iwh1nJ/4bjCq4MTqXDKXFZLIsDcwUbXrxeiq4urKNerlyVuO/OS9FqBixbrxlyVXK4Iy+WE7dq8qhhZgkp1p2kMkO4ywRzhLfj8Dkl/F84PM9XB3AFdQwitKzEZbEsTm1fGUiOHBwxoYGDlytXJW548eNL0dWFZevlat8VN7zymaXeKjvULOEzSXg7rr27BGNUJglGqT3XI+M4jxzYzTGQHTHBh50cgHXk4IgZXktPZbVlca4+4KpXeHnGrFKvGWqg5MDOh0rMGbB35MVyWmbD434PNUt7NGCi8BZc+3mmPaz7uGKW3LkkfhSIAlEgCkSBKHC+AsPMEswQ3mp7Zojw3Ut4qy5vw3EdQ3klo7hzJS6LZXFgrmDDi9dL0dWFddTLlasS9915KVrNgGXrNUOuSg535MVy4lZNHjXMLMEo4a4N3nLbM0z1Ae98zxJXUMcgUs0KmwOLU9tXBpIjB0dMaODg5cpViRte9zS3Sh+YAcv2wxlyVXK4Iy+WE7dq8qjhZqkME76Acr3NYpbQOauD1uPaI+d6XPviUc9rv4et8+2exX60LXS4as/dVrWDvbutEbw+WgNFl+J1RluV1xlthdcyt+yNjb3je+No73jVtPZ7uL3jdV1brzrW7nvXFxY4bPW89uwx4FnsA9hpK7ye90NGw2c1VOtVsWrf1hq1GrENN0vtB7rXb7fNYpbYwlSHYPAslsWhTQWrdDglLotlceG19CZHvVw1UOKGFz9uFV1dWLZervZdccMrfw3XW7eHmyUYIrwNV38B1xqmq5mlntgznWcnh5lyZnIJL0aleTCp1zy1YDJJvRiV5sHctV4jFJ7CLIE4/gKuvnepvi4gZmlEl0ibUSAKRIEoEAWiQKvANGYJSa0NU/6RLn+LHvopt6iVVxxKXBbL4sJrGa6OerlqoMQNL37cKrq6sGy9XO274oZX3oZbZtr931OZpUqz/u1JvTWXv4YrZZ7vlYmEnRzQohKXxbI4tf3w4uvlqoES11EvpX0X9t15uXR1xWXr5WrfFfeOvFhOz1dL/eyUZgk0yjDhr+VilrjCKgNO6XBKXBbL4sBcwYYXr5eiqwvrqJcrVyXuu/NStJoBy9ZrhlyVHO7Ii+XErZo8aphZ+vTp0+NbuvHW296GD3vnSyk9t0eVDqcMThbL4tA3FGx48Xopurqwjnq5clXivjsvRasZsGy9ZshVyeGOvFhOe77io8eHmaWPJnz2dfl3J2crnvaiQBSIAlEgCsylwGlmaX0nqZ7jL956P8CO2hSzpDh+FsvioI+CVdy5EpfFsrjwWnq+o16uGihxw4sft4quLixbL1f7rrjh5XkHw1EvtlZHe4bTzFL9exMYI2z1HGak95PPLHFlVzqm0uGUuCyWxYG5gg0vXi9FVxfWUS9Xrkrcd+elaDUDlq3XDLkqOdyRF8uJWzV51GlmCSYJpqfuEtVzHOv9lMHiaR2HhJFD56wOWo9rj5bqce2r9Xpe+z1snW/3LPajbaHDVXvutqod7N1tjeD10RoouhSvM9qqvM5oK7ye/5uJM8aMUu+2XnVdu3ePb1db4fW8H54xF1Rte30ItRqxnWaWRpA7os28DcffqYDe6PDMxuKUmMAqA8mRgyOmi5crVyWuo15K+y7su/Ny6eqKy9bL1b4r7h15sZyYdUjBxCx11FLMUifUVKdHdTi3COHlVvjY+KnXsXq6o6VeboWPjX/Xeh2rEhdtuFliPuhdb91xlI5FKWbJ8erAERMKKYPIkYMjZngtfZ/VlsUhqgvr6IeuXJW4785L0WoGLFuvGXJVcrgjL5bTMhse93uoWWq/eBKmZO8nH/DmCu4YRK6FUslVwSoDSYnLYlmcqquDlytXJW548UZU0dWFZevlat8VN7y4j0+o85ajXmytuFWTRw0zS/jCyTJH33//p6cf8h79AW9WTkfHcMQEH6XDOXJwxAyvpaey2rI4RHVhHf3QlasS9915KVrNgGXrNUOuSg535MVyWmbD434PM0vffffHh1mCaZp5y9twnoVSGfAKVhlISlwWy+LQ5xWsg5fSvgsbXnw/cNVAicvWS4k5Aza8cmep50OGmSX8GxMYkWf/7qSX/Bnn72qWFO0ck5kjpsIJWEcOjpguXq5clbgKNzYui3P1AYWTksOVeM2Qq5IDWzMl5gzYO/JijS3LncUNM0t46w1GZOSHtxmRFLPExJsFM6rDufmHl1vhY+OnXsfq6Y6WerkVPjb+Xet1rEpctGFm6aef/vEwSyM/vM1IpJglxysJR0zwVgaRIwdHzPBaejSrLYtDVBfW0Q9duSpx352XotUMWLZeM+Sq5HBHXiynZTY87vcws4Q7SnV3Cfsff/zb7v+IG3n3CWYJnbM6aD2ufS0k9bxwe8dbXGHXx/aO78XcO76O2+LQ4ep8e7x3TMFWrHavXK9gq40RvJAntsqh9uwx4HvY4vUAmttq8+/l1WLrcbvvXR9ez785GVr2NCy9H8AX+gZzfVuvarfdn5Xr0bqE1/N+yPSN6gdbfUCtV8WqfRsTtRqxDTNLuKMEI8L8jLz7lDtLnrsKNXiYTq9glYGkxGWxLK4GP8MfGAcvV65K3PDix5eiqwvL1svVvitueOUD3r25eJhZutL/huuJWOcdA9kR07X4Ii6bL4tTYoYXFBhfA6W27CIVXnxdFa1ULFsvpQ/MgA2vmCWMhWfbMLO0lRT+Mm62v45T7ixtccqxKBAFokAUiAJR4NoKDDdL+KA3PrP0zTe///UtOTzGMZwbvSlmyfEKyRETmrKvpIB15OCIGV7LaGG1ZXGuPuCqV3h5xqxSrxlqoOTAzodKzBmwd+TFclpmw+N+DzVL7bd4f/31V5/x3Uv4weP6LNPoL62MWfJMvK6JRBlIjhwcMZVFClg2BxanxFSxjnqFF98HXPWaoQZKDmw/VGLOgL0jL5YT+vaR2zCzhL9wgynCz5YhwrE6P/qv4VjBHYPDERN8lA7nyMERM7yWnspqy+IQ1YV19ENXrkrcd+elaDUDlq3XDLkqOdyRF8tpmQ2P+z3MLNVfw20ZpaKHc7izk7+GK0We7x2DCC0qcVksi1PbVwaSIwdHTGjg4OXKVYkbXvz4UnR1Ydl6udp3xQ2vfMD7smrcsQAAIABJREFU+er6+fMws1T/7uTZXSOcg1kCdtSmvA03Kse0GwWiQBSIAlEgCvgUGG6Wnv31G87FLHmKz76S8rTuixpePm0dkVMvh6q+mKmXT1tH5LvWy6FVL+Yws/TDD39+GCF8c/fehnMwS/jLuFGbcmfJcYvYERNaKoPIkYMjZngto4TVlsUhqgvr6IeuXJW4785L0WoGLFuvGXJVcrgjL5bTMhse93uYWcKXUsKI4GsCfv75n79hhGP1dQLAjtqQIzpnddB6XHvkVY9rX7nW89rvYet8u2exH20LHa7ac7dV7WDvbmsEr4/WQNGleJ3RVuV1Rlvh9fzfTJwxZpR6t/Wq69q9e3y72gqv5/3wjLmgatvrQ6jViG2YWQLZursEQ/Ldd398fJAbH+bGYxzDDzAjN+TAbig2u7FYFod2FazS4ZS4LJbFhdfSoxz1ctVAiRte/LhVdHVh2Xq52nfFDa/j1y517mZry9ZqmTmP+z3ULIEG/uKt7iCVQcIex579pdxxEjyPFLPET+ZQku3wLE6JCawykBw5OGK6eLlyVeI66qW078K+Oy+Xrq64bL1c7bvi3pEXywnz5pHbcLNUZPC2G95uw8/W23KFO3uvmKWzc0t7USAKRIEoEAWigF+BacySn+rHWlDMkuPVgSMmlFDcuSMHR8zwWvo4qy2LQ1QX1tEPXbkqcd+dl6LVDFi2XjPkquRwR14sp2U2PO73qWap/lGuuj+Orh4pZsmzUCoDXsEqA0mJy2JZHHqignXwUtp3YcOL7weuGihx2XopMWfAhlc+s9RzB6eZpfrGbpgP9Sff4N0r43JemXTYyUFd1NkcWJzafnjdc/FV+oGrbylxHf1Qad+FZXm52nfFDa+YpWUV3f8ds7SvzeNM7izxiy8EYyczFqfEBJad9NS4bL4sTm3fwcuVqxI3vMaPGUe9lJgzYNl+OEOuSg535MVywhx75HaaWULS6ttvhT+SsBpLMUtq7OCjQBSIAlEgCkSB+RU41SzNL8dvM1TMkuL4WSyLQ+YKVnHnSlwWy+LCa+mTjnq5aqDEDS9+3Cq6urBsvVztu+KGV96G++3q/+WRmKUv9fjNs5glfjKHeOxkxuKUmMCyk54al82XxantO3i5clXihtf4MeOolxJzBizbD2fIVcnhjrxYTphjj9ze0izBACk/KE4VqB7XHsWox7WvAtXz2u9h63y7Z7Fpa/nq+1a7eqxoWNe0e/Z6XMNit3DK9Qr21bYepHb6d6vTXk57x7fySlvbfUjVcF0X5XoFu1VD9fqtGOyxtPXvf/kBLdofl4ZtG/X4rLbW7eD52dtbmiVF5NxZ4l/5Qlf2VQ+LU2ICi0HMbo4cHDFdvFy5KnEd9VLad2HfnZdLV1dctl6u9l1x78iL5cSuAywuZqmjVMwSb4AgJTvoWZwSE1hlIDlycMR08XLlqsR11Etp34V9d14uXV1x2Xq52nfFvSMvlhPmzSO3mKWOmopZ6oTK6SgQBaJAFIgCUeCCCsQsdYqmmCXHqwNHTFBW3LkjB0fM8Fo6M6sti0NUF9bRD125KnHfnZei1QxYtl4z5KrkcEdeLKdlNjzud8xSR8uYJc9CqQx4BasMJCUui2VxqgFx8HLlqsQNL358Kbq6sGy9XO274oZXvjqgYwU+xyx1FIpZ4idzxQCMnvSUXBXslXi5clXisovUDDUIL/6OtKLVDFi2H86Qq5LDHXmxnDBnHLnFLHXUjFmKWUIXYScoFqfEBFaZINgcWJyaqxI3vMb3LUe9lJgzYNl+OEOuSg535MVywrx15Baz1FFTMUudUDkdBaJAFIgCUSAKXFCBmKVO0RSzpDh+FsviQEPBKu5cictiWVx4LR3UUS9XDZS44cWPW0VXF5atl6t9V9zwymeWOlYgn1nqCRSzxE/mirEZPekpuSrYK/Fy5arEZRepGWoQXvzbwYpWM2DZfjhDrkoOd+TFcsKcceSWO0sdNWGW0Dmrg9bj2uPyelz7ClnPa7+HrfPtnsV+tC10uGrP3Va1g727rRG8PloDRZfidUZbldcZbYXXMrfsjY2943vjaO941bT2e7i943VdW6861u571xcWOGz1vPbsMeBZ7APYaSu8nvdDRsNnNVTrVbFq39YatRqxxSx1VM+dpdxZqoHa6SqP0zUpHI1VJgg2Bxan8Fex4cWPryvVa4ZclRzYfqjEnAF7R14sJ2YOVjAxSx21FLPUCTXV6VEdzi1CeLkVPjZ+6nWsnu5oqZdb4WPj37Vex6rERYtZ6uh0V7PUoZ3TUSAKRIEoEAWmU2CUAYxZ6nQFxSw5brs6YoKy0uEcOThihtfSmVltWRyiurCOfujKVYn77rwUrWbAsvWaIVclhzvyYjkts+Fxv2OWOlrGLHkWSmXAK1hlIClxWSyLUw2Ig5crVyVuePHjS9HVhWXr5WrfFTe88tUBHSuQrw7oCRSzxE/migEYPekpuSrYK/Fy5arEZRepGWoQXvwdaUWrGbBsP5whVyWHO/JiOWHOOHLLnaWOmjFLMUvoIuwExeKUmMAqEwSbA4tTc1Xihtf4vuWolxJzBizbD2fIVcnhjrxYTpi3jtxiljpqKmapEyqno0AUiAJRIApEgQsqELPUKZpilhTHz2JZHGgoWMWdK3FZLIsLr6WDOurlqoESN7z4cavo6sKy9XK174obXvnMUscK5DNLPYFgljBAa5DW49rXYl7PC7d3vMUVdn1s7/hezL3j67gtDpNDnW+P944p2IrV7pXrFWy1MYIX8sRWOdSePQZ8D1u8HkBzW23+vbxabD1u973rw+v5NydDy56GpfcD+ELfYK5v61Xttvuzcj1al/B63g+ZvlH9YKsPqPWqWLVvY6JWI7bcWeqonjtL/Cvf6tAdSR+na/AcjVUGkiMHR0xo5ODlylWJG178+FJ0dWHZernad8UNr9xZ6q1FMUsdhWKW+MkcUrKTGYtTYgLLTnpqXDZfFqe27+DlylWJG17jx4yjXkrMGbBsP5whVyWHO/JiOWGOPXKLWeqoqZilTqicjgJRIApEgSgQBS6oQMxSp2iKWVIcP4tlcaChYBV3rsRlsSwuvJYO6qiXqwZK3PDix62iqwvL1svVvitueOVtuI4VyAe8ewLFLPGTuWJsRk96Sq4K9kq8XLkqcdlFaoYahBf/Nrei1QxYth/OkKuSwx15sZwwZxy55c5SR82YpZgldBF2gmJxSkxglQmCzYHFqbkqccNrfN9y1EuJOQOW7Ycz5KrkcEdeLCfMW0duMUsdNWOW+MkcUrIDmcUpMYFVBpIjB0dMFy9XrkpcR72U9l3Yd+fl0tUVl62Xq31X3DvyYjlh3jxyi1nqqKmYpU6onI4CUSAKRIEoEAVeUCBm6QXxnJfe1SyN6nDOWiF2eLkVPjZ+6nWsnu5oqZdb4WPj37Vex6rERcudpY5Oilly3Ep1xARlZRA5cnDEDK+lM7PasjhEdWEd/dCVqxL33XkpWs2AZes1Q65KDnfkxXJaZsPjfscsdbSEWULnrA5aj2tfC0k9L9ze8RZX2PWxveN7MfeOr+O2OHS4Ot8e7x1TsBWr3SvXK9hqYwQv5Imtcqg9ewz4HrZ4PYDmttr8e3m12Hrc7nvXh9fzfzMBLXsalt4P4At9g7m+rVe12+7PyvVoXcLreT9k+kb1g60+oNarYtW+jYlajdhiljqq586S565CDZ6O/I/TClYZSEpcFsviQEzBOngp7buw4cX3A1cNlLhsvZSYM2DDK9+z1FuLYpY6CsUs8ZO5YgBcEyQ76Sm5Ktgr8XLlqsR11Etp34V9d14uXV1x2Xq52nfFvSMvllNnaZdPxyx1JFPMUidUTkeBKBAFokAUiAIXVCBmqVM0xSw5Xh04YoKy4s4dOThihtfSmVltWRyiurCOfujKVYn77rwUrWbAsvWaIVclhzvyYjkts+Fxv2OWOlrGLHkWSmXAK1hlIClxWSyLUw2Ig5crVyVuePHjS9HVhWXr5WrfFTe88pmljhXI/4brCRSzxE/migEYPekpuSrYK/Fy5arEZRepGWoQXvwdaUWrGbBsP5whVyWHO/JiOWHOOHLLnaWOmjFLMUvoIuwExeKUmMAqEwSbA4tTc1Xihtf4vuWolxJzBizbD2fIVcnhjrxYTpi3jtxiljpqKmapEyqno0AUiAJRIApEgQsqELPUKZpilhTHz2JZHGgoWMWdK3FZLIsLr6WDOurlqoESN7z4cavo6sKy9XK174obXvnMUscK5DNLPYFilvjJXDE2oyc9JVcFeyVerlyVuOwiNUMNwot/O1jRagYs2w9nyFXJ4Y68WE6YM47ccmepoybMEjpnddB6XHtcXo9rXyHree33sHW+3bPYj7aFDlftuduqdrB3tzWC10droOhSvM5oq/I6o63wev5vJs4YM0q923rVde3ePb5dbYXX8354xlxQte31IdRqxBaz1FE9d5ZyZ6kGb6erPE5jwLObglUmCDYuiwMfFza8eG1dNVDisvVSYs6ADS/PvOWoLVsrdh5mcTFLHaVilvjJXFlUHYMI7SsDyZGDI6aLlytXJa6jXkr7Luy783Lp6orL1svVvivuHXmxnDpLu3w6ZqkjmWKWOqFyOgpEgSgQBaJAFLigAjFLnaIpZsnx6sARE5QVd+7IwREzvJbOzGrL4hDVhXX0Q1euStx356VoNQOWrdcMuSo53JEXy2mZDY/7HbPU0TJmybNQKgNewSoDSYnLYlmcakAcvFy5KnHDix9fiq4uLFsvV/uuuOGVzyx1rEC+OqAnUMwSP5krBmD0pKfkqmCvxMuVqxKXXaRmqEF48XekFa1mwLL9cIZclRzuyIvlhDnjyC13ljpqxizFLKGLsBMUi1NiAqtMEGwOLE7NVYkbXuP7lqNeSswZsGw/nCFXJYc78mI5Yd46cotZ6qipmKVOqJyOAlEgCkSBKBAFLqhAzFKnaIpZUhw/i2VxoKFgFXeuxGWxLC68lg7qqJerBkrc8OLHraKrC8vWy9W+K2545TNLHSuQzyz1BIpZ4idzxdiMnvSUXBXslXi5clXisovUDDUIL/7tYEWrGbBsP5whVyWHO/JiOWHOOHJ7yztLMEDKD4pTBarHtUcx6nHtq0D1vPZ72Drf7lls2lq++r7Vrh4rGtY17Z69Htew2C2ccr2CfbWtB6md/t3qtJfT3vGtvNLWdh9SNVzXRblewW7VUL1+KwZ7LG39+19+QIv2x6Vh20Y9PqutdTt4fvb2lmZJETl3lnJnCf2FfTXH4pSYwGJyYjc2Bxan5qrEDa/xfctRLyXmDFi2H86Qq5LDHXmxnNj5ksXFLHWUilniJ3NlUVUGvIJVBpISl8WyOEUrYB28XLkqccOLH1+Kri4sWy9X+6644XWdzyx1lmzb6ZiljrSKWeqEyukoEAWiQBSIAlHgggrELHWKppglx6seR0xQZl9JAevIwREzvJbOzGrL4lx9wFWv8PKMWaVeM9RAyYGdD5WYM2DvyIvltMyGx/2OWepoGbPkmXhdE4kykBw5OGIqixSwbA4sTompYh31Ci++D7jqNUMNlBzYfqjEnAF7R14sJ/TtI7eYpY6aMUueidc1kSgDyZGDIya6qIOXK1clbnjx40vR1YVl6+Vq3xU3vK7zmSW2Vp2lXT4ds9SRLGaJn8whJTuZsTglJrDKQHLk4Ijp4uXKVYnrqJfSvgv77rxcurrisvVyte+Ke0deLCfMm0duMUsdNRWz1AmV01EgCkSBKBAFosAFFYhZ6hRNMUuOVweOmKCsuHNHDo6Y4bV0ZlZbFoeoLqyjH7pyVeK+Oy9FqxmwbL1myFXJ4Y68WE7LbHjc75iljpYxS56FUhnwClYZSEpcFsviVAPi4OXKVYkbXvz4UnR1Ydl6udp3xQ2vfGapYwXyv+F6AsEsYYDWIK3Hta9Fr54Xbu94iyvs+tje8b2Ye8fXcVscJoc63x7vHVOwFavdK9cr2GpjBC/kia1yqD17DPgetng9gOa22vx7ebXYetzue9eH1zK3QLMtrfaOb2EfAV7oG8z1bb3aOtfjvbzqfO2ZtlpsPW73R7YVXs/74dn1auuMx22tUasRW+4sdVTPnSX+lW916I6kj9M1AI7GKgPJkYMjJjRy8HLlqsQNL358Kbq6sGy9XO274oZX7iz11qKYpY5CilnqhJrqNDs5TJU0kUx4ESJNBEm9JioGkUrqRYg0EeSu9RohccxSR3XFLDle9Thidij/5rQjB0fM3yTeOeDIwRGzQ+M3p9kcWBwacGF/k/yTA2wOLC68FrEVvZ6U54tTSswZsF8k/+TJDLkqOTyh8sUpJeZo7CgDGLP0RZf57ZO7miWlwzkGhyMmqhdevLFx1UCJ66iX0r4L++68XLq64rL1crXvintHXiyn367mrx2JWeroF7PEL76Qkh30LE6JCawykBw5OGK6eLlyVeI66qW078K+Oy+Xrq64bL1c7bvi3pEXywnz5pFbzFJHzZgl3gBBSnbQszglJrDKQHLk4Ijp4uXKVYnrqJfSvgv77rxcurrisvVyte+Ke0deLCfMm0duMUsdNWOWeAMEKdlBz+KUmMAqA8mRgyOmi5crVyWuo15K+y7su/Ny6eqKy9bL1b4r7h15sZwwbx65xSx11FTMUifUVKdHdTi3COHlVvjY+KnXsXq6o6VeboWPjX/Xeh2rEhctZqmjk2KWHK8OHDFBWRlEjhwcMcNr6cystiwOUV1YRz905arEfXdeilYzYNl6zZCrksMdebGcltnwuN8xSx0tYZbQOauD1uPa10JSzwu3d7zFFXZ9bO/4Xsy94+u4LQ4drs63x3vHFGzFavfK9Qq22hjBC3liqxxqzx4DvoctXg+gua02/15eLbYet/ve9eH1/JuToWVPw9L7AXyhbzDXt/Wqdtv9WbkerUt4Pe+HTN+ofrDVB9R6VazatzFRqxFbzFJH9dxZ8txVqMHTkf9xWsEqA0mJy2JZHIgpWAcvpX0XNrz4fuCqgRKXrZcScwZseOUbvHtrUcxSR6GYJX4yVwyAa4JkJz0lVwV7JV6uXJW4jnop7buw787LpasrLlsvV/uuuHfkxXLqLO3y6ZiljmSKWeqEyukoEAWiQBSIAlHgggrELHWKppglx6sDR0xQVty5IwdHzPBaOjOrLYtDVBfW0Q9duSpx352XotUMWLZeM+Sq5HBHXiynZTY87nfMUkfLmCXPQqkMeAWrDCQlLotlcaoBcfBy5arEDS9+fCm6urBsvVztu+KGVz6z1LECn2OWOgrFLPGTuWIARk96Sq4K9kq8XLkqcdlFaoYahBd/R1rRagYs2w9nyFXJ4Y68WE6YM47cYpY6asYsxSyhi7ATFItTYgKrTBBsDixOzVWJG17j+5ajXkrMGbBsP5whVyWHO/JiOWHeOnKLWeqoqZilTqicjgJRIApEgSgQBS6oQMxSp2h3NUuj3HlH7pdPh9fLEp4aIPU6Ve6XG0u9Xpbw1AB3rdepIv6rsZiljuqKWVJuj7JYFgcaClYZREpcFsviwmvpoI56uWqgxA0vftwqurqwbL1c7bvihlc+4N2xAvmAd08gmCUM0Bqk9bj2tZjX88LtHW9xhV0f2zu+F3Pv+Dpui8PkUOfb471jCrZitXvlegVbbYzghTyxVQ61Z48B38MWrwfQ3Fabfy+vFluP233v+vB6/m8moGVPw9L7AXyhbzDXt/Wqdtv9WbkerUt4Pe+HTN+ofrDVB9R6VazatzFRqxFb7ix1VM+dJf6Vb3XojqSP0zV4jsYqA8mRgyMmNHLwcuWqxA0vfnwpurqwbL1c7bvihlfuLPXWopiljkIxS/xkDinZyYzFKTGBZSc9NS6bL4tT23fwcuWqxA2v8WPGUS8l5gxYth/OkKuSwx15sZwwxx65xSx11FTMUidUTkeBKBAFokAUiAIXVCBmqVM0xSwpjp/FsjjQULCKO1fislgWF15LB3XUy1UDJW548eNW0dWFZevlat8VN7zyNlzHCuQD3j2BYpb4yVwxNqMnPSVXBXslXq5clbjsIjVDDcKLf5tb0WoGLNsPZ8hVyeGOvFhOmDOO3HJnqaNmzFLMEroIO0GxOCUmsMoEwebA4tRclbjhNb5vOeqlxJwBy/bDGXJVcrgjL5YT5q0jt5iljpoxS/xkDinZgczilJjAKgPJkYMjpouXK1clrqNeSvsu7LvzcunqisvWy9W+K+4debGcMG8eucUsddRUzFInVE5HgSgQBaJAFIgCF1QgZqlTNMUsOV4dOGKCsuLOHTk4YobX0plZbVkcorqwjn7oylWJ++68FK1mwLL1miFXJYc78mI5LbPhcb9jljpaxix5FkplwCtYZSApcVksi1MNiIOXK1clbnjx40vR1YVl6+Vq3xU3vPLXcB0rkL+G6wkEs4QBWoO0Hte+Fr16Xri94y2usOtje8f3Yu4dX8dtcZgc6nx7vHdMwVasdq9cr2CrjRG8kCe2yqH27DHge9ji9QCa22rz7+XVYutxu+9dH17P/80EtOxpWHo/gC/0Deb6tl7Vbrs/K9ejdQmv5/2Q6RvVD7b6gFqvilX7NiZqNWLLnaWO6rmzxL/yrQ7dkfRxugbP0VhlIDlycMSERg5erlyVuOHFjy9FVxeWrZerfVfc8Mqdpd5aFLPUUShmiZ/MISU7mbE4JSaw7KSnxmXzZXFq+w5erlyVuOE1fsw46qXEnAHL9sMZclVyuCMvlhPm2CO3mKWOmopZ6oTK6SgQBaJAFIgCUeCCCsQsdYqmmCXF8bNYFgcaClZx50pcFsviwmvpoI56uWqgxA0vftwqurqwbL1c7bvihlfehutYgXzAuydQzBI/mSvGZvSkp+SqYK/Ey5WrEpddpGaoQXjxb3MrWs2AZfvhDLkqOdyRF8sJc8aRW+4sddSMWYpZQhdhJygWp8QEVpkg2BxYnJqrEje8xvctR72UmDNg2X44Q65KDnfkxXLCvHXkFrPUUTNmiZ/MISU7kFmcEhNYZSA5cnDEdPFy5arEddRLad+FfXdeLl1dcdl6udp3xb0jL5YT5s0jt5iljpqKWeqEyukoEAWiQBSIAlHgggrELHWKppglx6sDR0xQVty5IwdHzPBaOjOrLYtDVBfW0Q9duSpx352XotUMWLZeM+Sq5HBHXiynZTY87nfMUkfLmCXPQqkMeAWrDCQlLotlcaoBcfBy5arEDS9+fCm6urBsvVztu+KGV/4armMF3vOv4WCA8hMN0gfSB9IH0gfSB67XB1hz2zNAyvncWeqohYF0xy28rlXV1Cv1mkGB9MMZqsDncMd6jeIUs9Tpd6MK00nr5dPh9bKEpwZIvU6V++XGUq+XJTw1QOp1qtwvNTaqVjFLnbKNKkwnrZdPh9fLEp4aIPU6Ve6XG0u9Xpbw1ACp16lyv9TYqFrFLHXKNqownbRePh1eL0t4aoDU61S5X24s9XpZwlMDpF6nyv1SY6NqFbPUKduownTSevl0eL0s4akBUq9T5X65sdTrZQlPDZB6nSr3S42NqlXMUqdsowrTSevl0+H1soSnBki9TpX75cZSr5clPDVA6nWq3C81NqpWMUudso0qTCetl0+H18sSnhog9TpV7pcbS71elvDUAKnXqXK/1NioWsUsdco2qjCdtF4+HV4vS3hqgNTrVLlfbiz1elnCUwOkXqfK/VJjo2oVs9Qp26jCdNJ6+XR4vSzhqQFSr1Plfrmx1OtlCU8NkHqdKvdLjY2qVcxSp2yjCtNJ6+XT4fWyhKcGSL1OlfvlxlKvlyU8NUDqdarcLzU2qlYxS52yjSpMJ62XT4fXyxKeGiD1OlXulxtLvV6W8NQAqdepcr/U2KhaxSy9VLZcHAWiQBSIAlEgCtxdgZilu1c4/KJAFIgCUSAKRIGXFIhZekm+XBwFokAUiAJRIArcXYGYpbtXOPyiQBSIAlEgCkSBlxSIWXpJvlwcBaJAFIgCUSAK3F2BmKW7Vzj8okAUiAJRIApEgZcUiFl6Sb5cHAWiQBSIAlEgCtxdgZilu1c4/KJAFIgCUSAKRIGXFIhZekm+XBwFokAUiAJRIArcXYGYpbtXOPyiQBSIAlEgCkSBlxSIWXpJvlwcBaJAFIgCUSAK3F2BmKW7Vzj8okAUiAJRIApEgZcUiFl6Sb5cHAWiQBSIAlEgCtxdgZiljQr//PM/P3/33R8/478b18/33//pM47fZfvll18+f/PN7z+D19W3v/71vz5/++0ffq0VavbDD3/+DI5X3n788W9f8AJHcL3bVmPt6uPr66+/+qIP1tyB/V/+8p+XLdunT58e80TL58r98FmdiiMwV93W8wbm+SvXa5Y6xCytKoGJ4dlguvqEXnRrgbq6WUL+NcGt95gkUM8rbpjc1nzqOYzgXbaW55XHFvpZ1Wdrf1WzhJrszYeYQ6647fFp64a544pbO55aPnh81T44Sx1illaVqMUXE0EttNiXubj6QtVywQC6sln6+9//57FAYfLDq6naMMHXnaYr8sMdsZrQ21eE4FgT4JWNRdXpp5/+8Ssf8Loyp6rN3RYkmAbUpu2HGHd1HI/vstXddvBF37zaVoYdc0dbl9bwXnmMja5HzNKqAuho+Flv1RGv+ooDfDCR12J7ZTNRtYFxXU/kdQ6TAs5t1bIws+7r1eGWMX/GeVY+W3lhPGEsoR9WX7zyRF5jqzXtW7yvdKwM4NYLjmd99Eoc21zrhXJrDNvzsz+uF49b9brLvDGyBjFLjfq1wO7dXr7ypI5XTTAP4IBBVZPd1sBqJLn0QxglcL76Z5faItSkd/VFGf0Q9YFpuvK4qtrUnecrG77iUvvqa1e8y1Ic2H0ZjSu/GC4OW3N61fLq8wZbTwcuZqlRtTobOtbWVq88gLvi1g6Uu5ulO9wJXPexqtmVJ3RwWk/cdzBLMH74wRhDfWDS8YM5A33xilvVBS820PfqxQd44fniuevRAAAORElEQVSdtqrZVef2qgV4oE4tDxj4On6nF47F+ax9zFKjdC1Ge587qFvtd5goiuvWq5BGkss+LGN7h1rVooVFCncwrjzhwUyAR/uCpPhd9a5MGXPw2vrB4nVFw4S88VN3zdbc9u7AX23SqLkQ/fDqG/rZVr3A7arja5aaxCw1lahBE7PUiHLBh2Vq7zKZY8FqFypMfFdcfOsD3eu6XN0slQHEq/f1glR98YoLcdvv2hcd7YLcHr/gVPFIufpfezfmqlzQF9u6tfMGzmX7uAIxS412MUuNGBd9WIvTekG+KJ3fpF1vYV1t8cXdMJgJ/KzvjNVitTYavyF/0QPgjEXravxq0d168Qgu4HS1frjuQmXgUaOrbzB7VZO2r8Hc1hiLYfp4lWOWGu2qs7VvETSnf/1itju8AiljeKe34cpI3NUoVV+sxfdKH7yt/ta+0t17vDZTxfuq+3pL+GrzRpmlvX6G8/i58lZzxh3ukGHew5ja6mdlCu8+Nzr7YsxSo269WtrrUNUZW9feXH6ph7V43cEsoR71ymmvdpcqTifZKy6+1d/2DFJ7PGap0wFOOl3z3Z3NUr3wuMOcXnPgFheMKYyxq5vbk7r+ZjMxSytZ6tXSesLG8zq3uuSST2vxurpZqruBmAju8OoQnan3arcm+Ct+bmlrsDyb5Lfwsx1j6oW5Yz2nzMZjnc+zOeIOdyowfjBv3OEtONTumbmFgboT13VfPeN5zNJK5XrVjo5XixH21RGvbi6K7rOJsDCz71EXLEKYBLZuPc+e/15+ZQDBreWFxbb6IfZ32a5ulqpeWHTXr+prPoGhutpWLxDXL0Qw7qpmbf+8Gr/6YP7d5nTMDW1d2vVr6/NnV6vbqHxjllbKlwPHBLH1s54MV5df5ukdzFItRFt1ao9dsWb1QfWWRz3Gony1uxTPBkYtvFesU/Gqu0tVo3YPfletV80TLZ96fHWTUdzuZCDqxVTVqN3f6QVWjbsz9zFLG2rDla87HZ5feTJf06yJ4soTXt1VaieErcdXrRte+ZaRAC/wvdPEXn2yOF61TsUDY6q43Kle6/kQZh1cr77VC5I7cGlrAT6oUc2Fd6lXy3HE45ilEaqnzSgQBaJAFIgCUeAyCsQsXaZUSTQKRIEoEAWiQBQYoUDM0gjV02YUiAJRIApEgShwGQVili5TqiQaBaJAFIgCUSAKjFAgZmmE6mkzCkSBKBAFokAUuIwCMUuXKVUSjQJRIApEgSgQBUYoELM0QvW0GQWiQBSIAlEgClxGgZily5QqiUaBKBAFokAUiAIjFIhZGqF62owCUSAKRIEoEAUuo0DM0mVKlUSjQBSIAlEgCkSBEQrELI1QPW1GgSgQBaJAFIgCl1EgZukypUqiUSAKRIEoEAWiwAgFYpZGqJ42o0AUiAJRIApEgcsoELN0mVIl0SgQBaJAFIgCUWCEAjFLI1RPm1EgCkSBKBAFosBlFIhZukypkmgUiAJRIApEgSgwQoGYpRGqp80oEAWiQBSIAlHgMgrELF2mVEk0CkSBKBAFokAUGKFAzNII1dNmFIgCUSAKRIEocBkFYpYuU6okGgWiQBSIAlEgCoxQIGZphOpp85IKfP/9nz7/7nf/8fm77/74NP9vv/3DA/fzz/98inOfrDz+/vf/cTdli//Xv/7XQ0vojp+juFQtj4rXE+DHH/92WO69ttzno51b4cSfUYGYpRmrkpymVKAWCSzaWMT3tjIpMUt7CnHHYWTKJNX+KE2rlmeYpb/85T8fPJ71GU6ROVDRbo46JItzFYhZOlfvtHZhBWqRwML99ddfff706dMmm5ilTVnkg2UyoPvRW9UyZklXNtrpmuWK6ysQs3T9GobBSQrUIvHNN79/3CnYezsuZumYgpRZctyRqVrGLOm1ina6Zrni+grELF2/hmFwkgK1SODzJ2WYthbyLbNU124tzutzeKsJd69wHHevYMrqbSgcqw1t13Hkg7zarfJAm2vsVt64Fu398MOff41beazf/qp4iN3mt8WvzQmPywRV7ri+zf2XX375ov3C4brets4H1+I6xGy3teZ1juVfeOhQOqMtPG41wB3Iyr/20LJqjNxKy8q1YrNcSk/EwU/1TcSDtus7oNCirqmckDeuZbZn2tW5iovn676DNnBsjUWujHZMjsFEgaMViFk6WtHEu60CNbljQscPFoStt+Nq8WwXifbatUDrc7WQYvFoF75agGBm1oamzrWLTeWxFQN4xGg3tLu1uG/FrgW+2ihMy7mNjcdYtPdywfVYwLF91CxVTpVLu0e7rWlYa452Ff7AV4y2nXpc5m9LT7SDH2DX+pVhWZuZiov9mktht9oCHsdbs7hus41d7T8KsfOreLd9rcZDG6t93GJRh71ccc1PP/3j0fIW5ln/2kk3h6PAIQrELB0iY4K8gwLrRaIMCxafdqvFqJ3Y19e2+PW5WkixcLR3BtoFCQtJLchYCIEDvjVAlQeOlxFBu62pqIUJxwuPfNrFtfBYpGurY4jNLLC4rnJEO+3iWYs9Ym0dZ+K3C3CLB4/SF/va6ljbnsK/rUXbXsVttSp+La6tcZsX8kNNoAV+2nrimsoR+9oqPvBtLORYhqP6CvbA4fpejSv+el8cSzvEAV/EbfsrjlfNkUe1V+OmzRVtVNyWc3FrtVvnk+dR4AwFYpbOUDlt3EKBmsy3Fol2Mq8F7VWz1C4wJWAtSm17OFeLYLsAVR5YcNZbLUK1MNUC3V7fXlMLXC26aL8W3Ra39xhmBnhwau/wFL7yweJaWx1bc63z7b7y2cOWbtX2upYq/zIBW3qVQSkjusWjzNJWjUvrqk3LE4ZjL35roOqaioUcsFU/Aba0KCy7X2vXxtyKUf2walM5tbXeug7HtrTbw+Z4FHAqELPkVDexb6XAepEAubrD0JqAWhxeNUtbi1/FroW4BK482sV7D4tryhxUG2U2YGie/dSiW/itBb1yaveV394C2ZqHuk5ZKMu8PMsd58rormtZfHrXF/8yX2UeK+et/RaP4os46+1Z3YCt3Mt8VPzKrY1XvOpca7aKK7Sr8+21e4+r/dKy2q981tdVDtU3qy9U+9ijH21d34u9bivPo4BLgZgll7KJezsF1otEEaxXymU8arFzmqU2NvKoBagWJBzbyqNyrsW6cq5FqV3Ath7XoloLYD2vuHv7wrf5tVgs4mgPprO2ymlrES1M7YvrVs7tsVrg17Wstlrs1uPiW3d3Kl7lsbWv2C2Ptf7tdRV7XePCrOPV88qtcNiX7u05xN0zl4z5XWtXz1t+bQ5bfRMmswznWufWgBa3vdhtO3kcBZwKxCw51U3sWylQi8LWAlkTPyb1Wrjbxe7ZtYWvuM8W0sK2sSHy1oK0hwV+784Ss1ji+q1F+FmxKz/3naV2oX2Wz7oexYflX/Vm2tta8Jkar+8eFp/KvQxExW8NUWGL19Y5YHC8ri/TUnErxnpf7Vd/rev3rqsccN16w1uBuL5iVg7Vv3ux1/HyPAq4FIhZcimbuLdToCb0WiRagmU+MNlv3Rmoa9eLa/u2SMVlFtJaTCqHMiPtglRmaWsRq0WozAHyQu5bbwtVG+2+FkDEYTYsiqXN1mdlKp/WTNWxrfzXbYIH4rf815j2edWjNFf5152ZrfYqdmm7xeNZjYtLXd/m3faXMlMVH/v1ptTpWZw2bvFba4f+trU964drfGErduXE9IF1rDyPAkcqELN0pJqJdWsF1ovEmmwtcli08dMamjoHM1LHYRpq0QW+FohnC2ktJhWjcsC1a7NQWBxvF5tagNY51t0S5NTGR+yKVTkqi3DlWDGwrzg41+azdbzNvWKt96VZaQBTURuuh4HFTx3fqqXCH3mirbW2pUurbfFreVS+0GK9tbFbw4RrWg3ruoqP/XqrfOpcYVHj0gLXoC9W7DbPdTw8X2vXGjjELTOM49W/W+2rncqp2gDv9QuNyreXU8XIPgq4FIhZcimbuLdTYL1IbBGsBbddLIGrxbEW2NoDXwtKGYXCbi2ktdAA0261wCLH2gpb8avN2q8XIMSsxaow7b6NvV6Eq81neyyirT5tbDxujQHiqAtl5bSOW89bvlu1VPgjv4pR8dt9awTWeeGO0LMat9zbmPUYNSpD0mLbNnEcW7Vd52BgntVgq8/9K9Svu+Jd/RUnqv9Vjut9e0e1vQu7xuF52w8q/8LV3bRfk8mDKHCSAjFLJwmdZq6vwNYisWbVLgRbhqY1LniMxWsd99lCWgZoKzYWFMSqrcWW8QAGx9vFq/DYYxGuu2C1QAHfGg3gahGrRbiN8ewx+La5oA3osJVP4dZtP4uPRbvVuOK3CzuuX2teMVn+hUdupfOetu0dFmDA9VmNKzZway7QBPHarXTCfr1t1WmrBjBgW9ev4+H5nnbgVOfAEz94vu6riLGF3epnW9pt5ZRjUcCtQMySW+HEjwJRIApEgSgQBS6tQMzSpcuX5KNAFIgCUSAKRAG3AjFLboUTPwpEgSgQBaJAFLi0AjFLly5fko8CUSAKRIEoEAXcCsQsuRVO/CgQBaJAFIgCUeDSCsQsXbp8ST4KRIEoEAWiQBRwKxCz5FY48aNAFIgCUSAKRIFLKxCzdOnyJfkoEAWiQBSIAlHArUDMklvhxI8CUSAKRIEoEAUurUDM0qXLl+SjQBSIAlEgCkQBtwIxS26FEz8KRIEoEAWiQBS4tAIxS5cuX5KPAlEgCkSBKBAF3ArELLkVTvwoEAWiQBSIAlHg0grELF26fEk+CkSBKBAFokAUcCsQs+RWOPGjQBSIAlEgCkSBSysQs3Tp8iX5KBAFokAUiAJRwK1AzJJb4cSPAlEgCkSBKBAFLq1AzNKly5fko0AUiAJRIApEAbcC/x/f7VK/DhUNewAAAABJRU5ErkJggg==" width="480" height="394"></p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Describe the bonding in this type of solid.</p>
<div class="marks">[2]</div>
<div class="question_part_label">d(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State a technique that could be used to determine the crystal structure of the solid compound.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State the full electron configuration of the sulfide ion.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Outline, in terms of their electronic structures, why the ionic radius of the sulfide ion is greater than that of the oxide ion.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(iv).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest why chemists find it convenient to classify bonding into ionic, covalent and metallic.</p>
<div class="marks">[1]</div>
<div class="question_part_label">d(v).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Write the equation for this reaction.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e(i).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Deduce the change in the oxidation state of sulfur.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e(ii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Suggest why this process might raise environmental concerns.</p>
<div class="marks">[1]</div>
<div class="question_part_label">e(iii).</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why the addition of small amounts of carbon to iron makes the metal harder.</p>
<div class="marks">[2]</div>
<div class="question_part_label">f.</div>
</div>
<br><hr><br><div class="specification">
<p>Properties of elements and their compounds can be related to the position of the elements in the periodic table.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain the decrease in atomic radius from Na to Cl.</p>
<div class="marks">[2]</div>
<div class="question_part_label">a.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Explain why the radius of the sodium ion, Na<sup>+</sup>, is smaller than the radius of the oxide ion, O<sup>2−</sup>.</p>
<div class="marks">[2]</div>
<div class="question_part_label">b.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Sketch a graph to show the relative values of the successive ionization energies of boron.</p>
<p><img 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"></p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Predict, giving your reasons, whether Mn<sup>2+</sup> or Fe<sup>2+</sup> is likely to have a more exothermic enthalpy of hydration.</p>
<div class="marks">[2]</div>
<div class="question_part_label">d.</div>
</div>
<br><hr><br>