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Question

(C) The acidic strength of substituted phenols depends on the electron-withdrawing effect ($-I$ and $-M$ effects) of the substituent group attached to

Vedclass · Accepted Answer

$p$-fluorophenol $ < $ $p$-chlorophenol $ < $ $p$-nitrophenol

Vedclass · Answer

(C) The acidic strength of substituted phenols depends on the electron-withdrawing effect ($-I$ and $-M$ effects) of the substituent group attached to the benzene ring.
Stronger electron-withdrawing groups stabilize the phenoxide ion more effectively, thereby increasing the acidic strength.
The electron-withdrawing tendency of the given substituents follows the order: $-F < -Cl < -NO_2$.
Therefore, the correct order of acidic strength is $p$-fluorophenol $ < $ $p$-chlorophenol $ < $ $p$-nitrophenol.

The correct order of acid strength of the following substituted phenols in water at $28^{\circ} C$ is:

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