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J & K CET Medical J & K - CET Medical Solved Paper-2002

  • question_answer
    Which one of the following has an aromatic character?

    A)  Cyclopentadiene

    B)  Cycloheptatrienylium cation

    C)  Cyclopropyne

    D)  Cycloheptatrienyl anion

    Correct Answer: B

    Solution :

                    Cycloheptatrienylium cation has an aromatic character because it follows Huckel rule, [i.e., \[(4n+2)\pi \]electrons]. It has\[6\pi -\]electrons.


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