A-LevelChemistryAnalytical techniques9701/12 · Oct/Nov 2017 · Q291 Mark

Compound G • has a chiral centre, • gives a positive result with alkaline aqueous iodine, • does not give a silver mirror with Tollens' reagent. What could compound G be?

A1-hydroxybutan-2-one

B2-hydroxybutanal

C3-hydroxybutanal

D3-hydroxybutan-2-one

✓ Correct answer

D: 3-hydroxybutan-2-one

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Topic: Analytical techniques, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 29.

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