Q. 534.5( 4 Votes )

Explain why p-nitrophenol is more acidic than phenol.

Answer :

Para-nitrophenol is more acidic than phenol due to the presence of an electron withdrawing group, -NO2 group, which enhances the acidic strength of the compound by stabilizing the phenoxide ion and the ortho- and para-positions in the benzene ring becomes electron rich. Therefore, p-nitrophenol can easily release a proton as compared to phenol.


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