Answers

2016-03-24T22:55:35+05:30
Methyl group is an electron-releasing group. It activates the benzene ring towards electrophillic reactions. NO2 group is an electron-withdrawing group and they deactivate the benzene ring towards electrophillic substitution. Thus the ease of nitration is in the order. Toluene>Benzene>m-Dinitrobenzene
 
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