Which of the following carboxylic acids is di | vedclass

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(B) Decarboxylation of carboxylic acids is facilitated by the presence of electron-withdrawing groups at the $\alpha$ or $\beta$ position,which stabil

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$CH_3CH_2COOH$

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(B) Decarboxylation of carboxylic acids is facilitated by the presence of electron-withdrawing groups at the $\alpha$ or $\beta$ position,which stabilize the transition state or the resulting carbanion intermediate.$CH_3COCH_2COOH$ has a $\beta$-keto group,which facilitates decarboxylation.$HOOCCH_2COOH$ (malonic acid) has a carboxylic group at the $\beta$ position,which facilitates decarboxylation.$O_2NCH_2COOH$ has a strong electron-withdrawing nitro group at the $\alpha$ position,which facilitates decarboxylation.$CH_3CH_2COOH$ (propanoic acid) is a simple saturated aliphatic carboxylic acid without any electron-withdrawing groups to stabilize the transition state,making it the most difficult to decarboxylate among the given options.

Which of the following carboxylic acids is difficult to decarboxylate?

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