Which of the following is the correct order o | vedclass

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(C) The decarboxylation of $\beta$-keto carboxylate anions involves the formation of a carbanion intermediate in the rate-determining step. The stabil

Vedclass · Accepted Answer

$c > d > b > a$

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(C) The decarboxylation of $\beta$-keto carboxylate anions involves the formation of a carbanion intermediate in the rate-determining step. The stability of this carbanion determines the rate of the reaction. The electron-withdrawing groups $(EWG)$ stabilize the carbanion formed at the $\alpha$-carbon. The order of electron-withdrawing strength is $-NO_2 > -CN > -Cl > -F$. Therefore,the stability of the carbanion and the rate of decarboxylation follow the order: $c (NO_2) > d (CN) > b (Cl) > a (F)$.

Which of the following is the correct order of decarboxylation of $\beta$-keto carboxylate anion?

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