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(B) The acidity of substituted benzoic acids is directly proportional to the electron-withdrawing effect ($-I$ and $-M$ effects) of the substituent gr

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$C > A > B$

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(B) The acidity of substituted benzoic acids is directly proportional to the electron-withdrawing effect ($-I$ and $-M$ effects) of the substituent group.The substituents present are:$(A) -CN$ (strong $-I$ and $-M$ effect)$(B) -F$ (strong $-I$ effect,weak $+M$ effect)$(C) -NO_2$ (very strong $-I$ and $-M$ effect)The overall electron-withdrawing power follows the order: $-NO_2 > -CN > -F$.Therefore,the decreasing order of acidity is $C > A > B$.

Arrange the following compounds in decreasing order of their acidity:

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