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</div><h2>SL Paper 1</h2><div class="question">
<p>Which combination best describes the substitution reaction between bromoethane and dilute aqueous sodium hydroxide?</p>
<p>\[{\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{Br}} + {\text{O}}{{\text{H}}^ - } \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH}} + {\text{B}}{{\text{r}}^ - }\]</p>
<p><img src="images/Schermafbeelding_2016-08-09_om_10.44.43.png" alt="M15/4/CHEMI/SPM/ENG/TZ2/29"></p>
</div>
<br><hr><br><div class="question">
<p>In organic reaction mechanisms, what does a curly arrow represent?</p>
<p>A. The movement of a pair of electrons towards a nucleophile</p>
<p>B. The movement of a pair of electrons towards a positively charged species</p>
<p>C. The movement of a pair of electrons away from a positively charged species</p>
<p>D. The movement of a pair of electrons towards a Lewis base</p>
</div>
<br><hr><br><div class="question">
<p class="p1">Which type of reaction occurs when 2-iodo-2-methylpropane, \({\text{C(C}}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{3}}}{\text{I}}\), reacts with aqueous sodium hydroxide, NaOH(aq)?</p>
<p class="p1">A. <span class="Apple-converted-space"> </span>Addition</p>
<p class="p1">B. <span class="Apple-converted-space"> </span>Free-radical substitution</p>
<p class="p1">C. <span class="Apple-converted-space"> </span>\({{\text{S}}_{\text{N}}}{\text{1}}\)</p>
<p class="p1">D. <span class="Apple-converted-space"> </span>\({{\text{S}}_{\text{N}}}{\text{2}}\)</p>
</div>
<br><hr><br><div class="question">
<p class="p1">Propene is converted to propanone in a two stage process.</p>
<p class="p1">\[{\text{Propene}} \to {\text{X}} \to {\text{Propanone}}\]</p>
<p class="p1">What is the formula of compound X?</p>
<p class="p1">A. <span class="Apple-converted-space"> </span>\({\text{C}}{{\text{H}}_{\text{3}}}{\text{CHBrC}}{{\text{H}}_{\text{3}}}\)</p>
<p class="p1">B. <span class="Apple-converted-space"> </span>\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{Br}}\)</p>
<p class="p1">C. <span class="Apple-converted-space"> </span>\({\text{C}}{{\text{H}}_{\text{3}}}{\text{CHOHC}}{{\text{H}}_{\text{3}}}\)</p>
<p class="p1">D. <span class="Apple-converted-space"> </span>\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH}}\)</p>
</div>
<br><hr><br><div class="question">
<p>Chloroethane, \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{Cl}}\), reacts with aqueous sodium hydroxide, NaOH, to form ethanol, \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{OH}}\).</p>
<p>Which statement about the mechanism of this reaction is correct?</p>
<p>A. The reaction follows an \({{\text{S}}_{\text{N}}}{\text{1}}\) mechanism.</p>
<p>B. Homolytic fission of the carbon-chlorine bond occurs in chloroethane.</p>
<p>C. The reaction is unimolecular.</p>
<p>D. The transition state formed is negatively charged.</p>
</div>
<br><hr><br><div class="question">
<p>Which type of halogenoalkane is the substance shown below, and which type of nucleophilic reaction does it undergo with an aqueous sodium hydroxide solution?</p>
<p style="text-align: center;"><img src="images/Schermafbeelding_2016-08-16_om_08.08.12.png" alt="M14/4/CHEMI/SPM/ENG/TZ1/28.01"></p>
<p style="text-align: left;"><img src="images/Schermafbeelding_2016-08-16_om_08.09.33.png" alt="M14/4/CHEMI/SPM/ENG/TZ1/28.02"></p>
</div>
<br><hr><br><div class="question">
<p class="p1">What is the type of mechanism and an important feature of the reaction between \({\text{C(C}}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{3}}}{\text{Br}}\) and aqueous NaOH?</p>
<p class="p1"><img src="images/Schermafbeelding_2016-10-25_om_06.08.48.png" alt="M11/4/CHEMI/SPM/ENG/TZ1/27"></p>
</div>
<br><hr><br><div class="question">
<p class="p1">From which monomer is this polymer made?</p>
<p class="p1" style="text-align: center;"><img src="images/Schermafbeelding_2016-11-03_om_14.22.36.png" alt="N11/4/CHEMI/SPM/ENG/TZ0/28_1"></p>
<p class="p1" style="text-align: left;"><img src="images/Schermafbeelding_2016-11-03_om_14.23.36.png" alt="N11/4/CHEMI/SPM/ENG/TZ0/28_2"></p>
</div>
<br><hr><br>