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A-LevelChemistryCarbonyl compounds9701/12 · May/June 2018 · Q271 Mark

Which statement about butanone is correct?

AButanone can be dehydrated by concentrated sulfuric acid to give CH2=CHCH=CH2.
BButanone gives a positive result with Tollens' reagent.
CButanone reacts with HCN by an electrophilic addition mechanism.
DButanone reacts with NaBH4 to give a chiral product.

✓ Correct answer

D: Butanone reacts with NaBH4 to give a chiral product.

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About this question

Topic
Carbonyl compounds, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2018 Paper 1 Variant 2, question 27.

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