Assertion : beta-Keto carboxylic acids lose C | vedclass

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Question

(A) The decarboxylation of $\beta$-keto carboxylic acids occurs via a cyclic transition state involving the carbonyl oxygen of the ketone and the hydr

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If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

Vedclass · Answer

(A) The decarboxylation of $\beta$-keto carboxylic acids occurs via a cyclic transition state involving the carbonyl oxygen of the ketone and the hydrogen of the carboxylic acid group.This process releases $CO_2$ and initially forms an enol intermediate.The enol is unstable and rapidly undergoes tautomerization to form the more stable ketone.Therefore,both the Assertion and the Reason are correct,and the Reason provides the correct explanation for the decarboxylation process.

Assertion : $\beta$-Keto carboxylic acids lose $CO_2$ when heated at about $370 \ K$.
Reason : An enol is first formed by loss of $CO_2$,but it readily tautomerises to the more stable ketone.

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Assertion : $\beta$-Keto carboxylic acids lose $CO_2$ when heated at about $370 \ K$.Reason : An enol is first formed by loss of $CO_2$,but it readily tautomerises to the more stable ketone.