A-LevelChemistryGroup 179701/12 · Oct/Nov 2010 · Q191 Mark
Concentrated sulfuric acid reacts with both solid sodium chloride at room temperature and with solid sodium iodide at room temperature. Which row correctly describes how concentrated sulfuric acid behaves in each of these reactions?
Awith sodium chloride as an oxidising agent only, with sodium iodide as an oxidising agent only
Bwith sodium chloride as a strong acid and as an oxidising agent, with sodium iodide as a strong acid only
Cwith sodium chloride as a strong acid only, with sodium iodide as a strong acid and as an oxidising agent
Dwith sodium chloride as a strong acid only, with sodium iodide as a strong acid only
✓ Correct answer
C: with sodium chloride as a strong acid only, with sodium iodide as a strong acid and as an oxidising agent
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