The strongest acid amongst the following comp | vedclass

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Question

(C) The acidity of carboxylic acids is increased by the presence of electron-withdrawing groups $(EWG)$ due to the inductive effect ($-I$ effect).Thes

Vedclass · Accepted Answer

$CH_3CH_2CH(Cl)CO_2H$

Vedclass · Answer

(C) The acidity of carboxylic acids is increased by the presence of electron-withdrawing groups $(EWG)$ due to the inductive effect ($-I$ effect).These groups stabilize the carboxylate anion by dispersing the negative charge.The strength of the $-I$ effect depends on the distance of the substituent from the carboxylic acid group.In $CH_3CH_2CH(Cl)CO_2H$,the chlorine atom is at the $\alpha$-position (closest to the $-COOH$ group),which exerts a strong $-I$ effect compared to the $\gamma$-position in $ClCH_2CH_2CH_2COOH$.Therefore,$CH_3CH_2CH(Cl)CO_2H$ is the strongest acid among the given options.

The strongest acid amongst the following compounds is:

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