11th Class Chemistry Hydrocarbons

  • question_answer 37) Out of benzene, m-dinitrobenzene and toluene which will undergo nitration most easily and why?


    The\[-C{{H}_{3}}\] is activating group (electron donating), it activates the ring and electrophilic substitution readily takes place in benzene ring. The \[-N{{O}_{2}}\] group is deactivating (electron withdrawing) in nature and further nitration is most difficult. Therefore, the ease of nitration decreases in the order: toluene > benzene > m-dinitrobenzene.  

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