IS NITROBENZENE A META- DIRECTING GROUP? IF YES, WHY?
Asked by sphurti | 11th Feb, 2012, 02:41: PM
The group is nitro- and not nitrobenzene in this case. Yes, Nitro-group is meta-directing. The nitro group strongly deactivates the benzene ring towards electrophilic substitution. Nitro group is electron withdrawing group and thus causes electron deficiency at ortho and para positrons as is clear from the resonating structures of nitro benzene.
Since the meta positron is relatively rich in electron density compared to ortho and para positrons electrophilic attack is more likely to occur at meta position. Thus the -NO
Answered by | 11th Feb, 2012, 09:54: PM
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