BHU PMT BHU PMT (Mains) Solved Paper-2005

  • question_answer

    Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

    An aromatic molecule will: (1) have\[(4\pi +2)\pi \]electrons (2) be planar (3) be cyclic (4) have\[4n-\pi \] electrons

    A)  1, 2 and 3 are correct

    B)  1 and 2 are correct

    C)   2 and 4 are correct

    D)  1 and 3 are correct

    Correct Answer: A

    Solution :

                     Cyclic planar molecules containing\[(4n+2)\pi \] electrons are aromatic in character, e.g., benzene.


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