A-LevelChemistryCarbonyl compounds9701/12 · May/June 2015 · Q391 Mark

Propanone and hydrogen cyanide react together by this mechanism. [Figure] Which statements about this mechanism are correct? 1 CN⁻ is an electrophile. 2 It is an addition reaction. 3 Heterolytic bond breaking is involved.

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A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

C: 2 and 3 only are correct

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Topic: Carbonyl compounds, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2015 Paper 1 Variant 2, question 39.

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