Which of the following has the maximum pK_a v | vedclass

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(C) The $pK_a$ value is inversely proportional to the acidic strength of the carboxylic acid. Stronger acids have lower $pK_a$ values,while weaker aci

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$CH_3COOH$

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(C) The $pK_a$ value is inversely proportional to the acidic strength of the carboxylic acid. Stronger acids have lower $pK_a$ values,while weaker acids have higher $pK_a$ values. The acidic strength order is: $CH_2FCOOH > CH_2ClCOOH > HCOOH > CH_3COOH$. Since $CH_3COOH$ is the weakest acid among the given options due to the $+I$ effect of the methyl group,it has the maximum $pK_a$ value.

Which of the following has the maximum $pK_a$ value?

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