A-LevelChemistryHalogen derivatives9701/12 · Oct/Nov 2017 · Q251 Mark

Equal volumes of aqueous silver nitrate were added to separate small volumes of bromoethane and iodoethane in two test-tubes. The test-tubes were shaken. Which row about the observations made for bromoethane is correct?

Acolour of precipitate: cream, rate of reaction: faster than for iodoethane

Bcolour of precipitate: cream, rate of reaction: slower than for iodoethane

Ccolour of precipitate: yellow, rate of reaction: faster than for iodoethane

Dcolour of precipitate: yellow, rate of reaction: slower than for iodoethane

✓ Correct answer

B: colour of precipitate: cream, rate of reaction: slower than for iodoethane

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Topic: Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 25.

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