A-LevelChemistryGroup 179701/12 · Oct/Nov 2017 · Q171 Mark

Sodium bromide reacts with concentrated sulfuric acid. Which observation will be made?

Acoloured vapour is produced.

Bpurple solid is formed.

Cstrong smell of H2S is detected.

DYellow sulfur is formed.

✓ Correct answer

A: coloured vapour is produced.

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Topic: Group 17, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 17.

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