A-LevelChemistryGroup 179701/12 · Oct/Nov 2018 · Q161 Mark

Which statement about the halogens is correct?

AIodine cannot behave as an oxidising agent.

BThe volatility of the elements increases from chlorine to iodine because of the increase in molecular size down the group.

CWhen an equimolar mixture of chlorine and hydrogen is exploded, only one product is formed.

DWhen concentrated sulfuric acid is added to solid sodium bromide, hydrogen sulfide is one of the products.

✓ Correct answer

C: When an equimolar mixture of chlorine and hydrogen is exploded, only one product is formed.

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Topic: Group 17, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 16.

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