Which of the following is the strongest acid?

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Question

(D) The acidity of carboxylic acids is influenced by the inductive effect of substituents attached to the alpha-carbon.Electron-withdrawing groups $(E

Vedclass · Accepted Answer

$FCH_2COOH$

Vedclass · Answer

(D) The acidity of carboxylic acids is influenced by the inductive effect of substituents attached to the alpha-carbon.Electron-withdrawing groups $(EWG)$ increase the acidity by stabilizing the carboxylate anion through the $-I$ effect.The strength of the $-I$ effect depends on the electronegativity of the halogen atom: $F > Cl > Br$.Therefore,the order of acidity is $FCH_2COOH > ClCH_2COOH > BrCH_2COOH > CH_3COOH$.Thus,$FCH_2COOH$ is the strongest acid.

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