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Question
The products of acid hydrolysis of P and Q can be distinguished by :
The products of acid hydrolysis of P and Q can be distinguished by :
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Solution
The correct option is C Fehling solution
Fehling's solution oxidizes aldehydes to acids. But ketones are not oxidized by Fehling's solution as they do not contain a hydrogen atom directly attached to the carbonyl group.
The hydrolysis of compound P gives a ketone acetophenone which is not oxidized by Fehling's solution.
On the other hand, the hydrolysis of the compound Q gives an aldehyde which is oxidized by Fehling's solution. Hence, the product of acid hydrolysis of P and Q can be distinguished by Fehling's solution.
The reactions are shown below:
Fehling's solution oxidizes aldehydes to acids. But ketones are not oxidized by Fehling's solution as they do not contain a hydrogen atom directly attached to the carbonyl group.
The hydrolysis of compound P gives a ketone acetophenone which is not oxidized by Fehling's solution.
On the other hand, the hydrolysis of the compound Q gives an aldehyde which is oxidized by Fehling's solution. Hence, the product of acid hydrolysis of P and Q can be distinguished by Fehling's solution.
The reactions are shown below:
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