Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub
ChemistryCarboxylic acid and their DerivativesREACTIONS OF ESTERMedium2 minQB
ChemistryMediumsingle choice
The major product of following reaction is
Options:
Answer:
A
Solution:
Lactone reacts with excess CH₃MgBr → ring opens and gives tertiary alcohol (X).
Excess Grignard adds twice → forms diol/tertiary alcohol system.
Oxidation with CrO₃ converts alcohol → carbonyl compound.
Acidic heating causes dehydration (elimination) → forms alkene.
Final product is unsaturated cyclic compound.
Stream:JEESubject:ChemistryTopic:Carboxylic acid and their DerivativesSubtopic:REACTIONS OF ESTER
⏱ 2mℹ️ Source: QB
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