Assertion: Esters which contain a-hydrogens undergo Claisen condensation. Reason: LiAlH4 reduction of esters gives acids.

Question

Assertion: Esters which contain a-hydrogens undergo Claisen condensation. Reason: LiAlH4 reduction of esters gives acids. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

It is known that esters with α -hydrogens form carbanion when treated with base. It brings about nucleophilic substitution at the carbonyl group of the other molecule of the ester to yield β-keto ester. LiAlH 4 reduces esters to alcohols.

Q. Assertion: Esters which contain a-hydrogens undergo Claisen condensation.
Reason: $L i A l H_{4}$ reduction of esters gives acids.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

It is known that esters with $α$ -hydrogens form carbanion when treated with base. It brings about nucleophilic substitution at the carbonyl group of the other molecule of the ester to yield $β$ -keto ester. $L i A l H_{4}$ reduces esters to alcohols.

Q. Assertion: Esters which contain a-hydrogens undergo Claisen condensation. Reason: LiAlH4​ reduction of esters gives acids.