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A-LevelChemistryGroup 179701/12 · Feb/Mar 2022 · Q221 Mark

Which statement relating to the elements in Group 17 and their compounds is correct?

ABromine will reduce KI to form iodine.
BIodide ions react to form a white precipitate when added to silver nitrate solution.
CBromide ions react to form a white precipitate when added to silver nitrate solution.
DChlorine reacts with hydrogen to form a colourless gas.

✓ Correct answer

D: Chlorine reacts with hydrogen to form a colourless gas.

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About this question

Topic
Group 17, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Feb/Mar 2022 Paper 1 Variant 2, question 22.

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