A-LevelChemistryCarbonyl compounds9701/12 · Oct/Nov 2013 · Q201 Mark

A new industrial preparation of ethyl ethanoate has been developed using cheap sources of ethanol. [Reaction scheme: CH3CH2OH → CH3CHO → CH3CH(OH)OCH2CH3 → CH3CO2CH2CH3, with various Cu catalysts and -2[H] noted for steps] Which process is involved at some stage in this reaction sequence?

Aelectrophilic addition

Bnucleophilic addition

Cnucleophilic substitution

Dreduction

✓ Correct answer

B: nucleophilic addition

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Topic: Carbonyl compounds, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 2, question 20.

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