Punjab Medical Punjab - MET Solved Paper-2010

  • question_answer
    Presence ofanitro group in a benzene ring

    A)  renders the ring basic

    B)  deactivates the ring towards nucleophilic substitution

    C)  deactivates the ring towards electrophilic substitution

    D)  activates the ring towards electrophilic substitution

    Correct Answer: C

    Solution :

    Nitro group in a benzene ring is an electron withdrawing group, hence it deactivates the ring towards electrophilic substitution preferably at\[o-\]and \[p-\]position or it is meta directing group.


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