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Question

Cannizzaro reaction is not given by:

A
CH3CH2CHO
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B
HCHO
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C
benzaldehyde
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D
triethylacetaldehyde
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Solution

The correct option is A CH3CH2CHO
Cannizzaro reaction is a chemical reaction named after Stanislao Cannizzaro that involves the base-induced disproportionation of two molecules of a non-enolizable aldehyde to yield a carboxylic acid and a primary alcohol.

Aldehydes which contain α hydrogens in them do not give cannizzaro's reaction.

As propanaldehyde is the only compound with α hydrogens, So, it will not undergo cannizzaro reaction.

Hence, Option "a" is the correct answer.

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