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</div><h2>HL Paper 3</h2><div class="specification">
<p class="p1">Nitrogen dioxide and sulfur dioxide are two air pollutants.</p>
</div>
<div class="question">
<p class="p1">Both of these air pollutants also contribute to acid deposition. Outline mechanisms for the formation of \({\text{HN}}{{\text{O}}_{\text{3}}}\) and \({\text{S}}{{\text{O}}_{\text{3}}}\).</p>
</div>
<br><hr><br><div class="specification">
<p>Acid deposition is a consequence of industrial processes.</p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>State what is meant by the term acid deposition.</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, using equations, the mechanism of acid deposition caused by the oxides of nitrogen, including their initial formation.</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>All shellfish have a calcium carbonate shell. Discuss, including a balanced equation, the long-term effect of acid deposition on these organisms.</p>
<p> </p>
<p>Balanced equation:</p>
<div class="marks">[2]</div>
<div class="question_part_label">c.</div>
</div>
<br><hr><br><div class="specification">
<p class="p1">The concentration of some pollutants in a city was measured over a 24 hour period. The results are shown below.</p>
<p class="p1" style="text-align: center;"><img src="images/Schermafbeelding_2016-10-03_om_15.30.55.png" alt="N09/4/CHEMI/HP3/ENG/TZ0/E3"></p>
</div>
<div class="question">
<p class="p1">Outline the cause of the increase in NO levels between 5 and 8 am.</p>
</div>
<br><hr><br><div class="specification">
<p>EDTA is produced by reacting ethane-1,2-diamine with chloroethanoic acid, ClCH<sub>2</sub>COOH.</p>
<p style="text-align: center;"><img 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"></p>
</div>
<div class="question" style="padding-left: 20px; padding-right: 20px;">
<p>Identify the other product formed.</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>Explain why EDTA, a chelating agent, is more effective in removing heavy metal ions from solution than monodentate ligands.</p>
<div class="marks">[3]</div>
<div class="question_part_label">b.</div>
</div>
<br><hr><br>