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Which gives nucleophilic addition reacti...

Which gives nucleophilic addition reaction?

A

Hydrolysis of ethyl chloride by NaOH

B

Purification of acetaldehyde by `NaHSO_3`

C

Alkylation of anisole

D

Decarboxylation of acetic acid

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The correct Answer is:
B
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An aldehyde can give nucleophilic addition reaction with :

Aldehydes and ketones are amphoteric. Thus they can act both as acids and bases. Under acidic conditions, the carbon of the protonated canbonyl group is much more electrophilic, reacting even with weak nucleopphilie. Carbonyl compound gives nucleophilic addition reaction. In this reaction the nucleophilic attack proceeds the elecrophilic attack. Carbonyl compounds gives nucleophilic addition with

Ketones give nucleophilic addition reactions more readily than aldehydes.

Which carbonyl group of the given compound is most reactive for nucleophilic addition reaction ?

Which one is most reactive towards nucleophilic addition reaction?

Aldehyde, ketone, carboxylic acid derivatives contain C= O group. Aldehyde and ketones give nucleophilic addition reactions where as acid and acid derivatives give nucleophilic addition followed by elimination reactions. Nucleophilic addition reactions followed by elimination of acid dervatives is Known sacyl substitution reaction. This substitution reaction takes place by formation of tetrahedral intermediate. For the given reaction which of these is correct ?

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