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A-LevelChemistryGroup 179701/12 · Oct/Nov 2010 · Q161 Mark

What happens when chlorine is bubbled through aqueous potassium iodide?

AChlorine is oxidised to chlorate(V) ions.

BChlorine is oxidised to chloride ions.

CIodide ions are oxidised to iodine.

DThere is no observable reaction.

✓ Correct answer

C: Iodide ions are oxidised to iodine.

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About this question

Topic: Group 17, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2010 Paper 1 Variant 2, question 16.

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