Reactions of the halogens
1 mark · NormalWhich statement correctly explains why potassium iodide reacts with chlorine water?
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Correct option: Chlorine is more reactive than iodine, so it displaces iodine from potassium iodide.
Common mistakes: choosing 'Iodine is more reactive' options
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Marking points
B1 · 1 mark · Correct option selected: Chlorine is more reactive than iodine, so it displaces iodine from potassium iodide.
Worked solution
The correct answer is: 'Chlorine is more reactive than iodine, so it displaces iodine from potassium iodide.'