Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub
ChemistryCarboxylic acid and their DerivativesREACTIONS OF ESTERMedium2 minQB
ChemistryMediumsingle choice
Passage / Comprehension
Ester gives nucleophilic addition reaction followed by elimination reaction with carbon nucleophile. When carbon nucleophile is of an ester then the reaction is known as Claisen condensation reaction. This reaction is also carried out between ester and a ketone. A successful Claisen condensation requires an ester with two α hydrogens and an equivalent amount of base rather than a catalytic amount of base.
Consider the given reaction
For the above reaction the most reactive ester(X) is :
Options:
Answer:
B
Solution:
Enolate ion act as nucleophile and attacks on other ester molecule to give . Greater the dificiency on carbonyl carbon of ester more is reactivity for .
Stream:JEESubject:ChemistryTopic:Carboxylic acid and their DerivativesSubtopic:REACTIONS OF ESTER
⏱ 2mℹ️ Source: QB
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