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JEE Main & Advanced Sample Paper JEE Main Sample Paper-26

  • question_answer
    The decreasing order of electron density on the ring is:
    I.     
    II.
    III.     
    IV.  

    A)  \[(II)>(III)>(IV)>(I)\]

    B)  \[(IV)>(I)>(II)>(III)\]

    C)  \[(IV)>(I)>(III)>(II)\]

    D)  \[(I)>(III)>(IV)>(II)\]

    Correct Answer: C

    Solution :

    (I) No delocalisation.
    (II) Delocalisation (better).
    (III) No delocalisation (but-I).
    (IV) Delocalisation (but less effective than (II)).


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