BCECE Medical BCECE Medical Solved Papers-2011

  • question_answer
    Amongst the following, the compound which is most difficult to sulphonate is

    A)  benzene        

    B)  nitrobenzene

    C)  toluene         

    D)  chlorobenzene

    Correct Answer: B

    Solution :

    \[-N{{O}_{2}}\] group is highly deactivating and thus, deactivates the ring towards electrophilic substitution. Hence, sulphonation of nitrobenzene is most difficult.


You need to login to perform this action.
You will be redirected in 3 sec spinner