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Ortho and para-nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions. |
Answer» Solution :The resonance STRUCTURE of o- and p nitrophenoxide IONS and phenoxide ion are given below:  It is evident from the above structures that due to -R-effect of the `-NO_(2)` group, o- and p-nitrophenoxide ions are more stable (because of ADDITIONAL resonance structures, III and IX ENCLOSED in boxes) than phenoxide ion. as a result, o- and p-nitrophenols are more acidic than phenol. |
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