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Question

Amongst the following compounds, the one(s) which readily react with ethanolic KCN?

A
Ethyl chloride
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B
Chloro benzene
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C
Benzaldehyde
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D
Salicylic acid
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Solution

The correct options are
A Ethyl chloride
C Benzaldehyde
The compounds which readily react with ethanolic KCN are ethyl chloride
and benzaldehyde.
Ethyl chloride reacts with ethanolic KCN to form propionitrile (major product) and ethylisocyanide (minor product).
Benzaldehyde reacts with ethanolic KCN and undergoes Benzoin condensation.
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