BCECE Medical BCECE Medical Solved Papers-2009

  • question_answer
    The resonance energy of benzene in kcal/mol is about

    A)  \[\sim 20\]            

    B)  \[\sim 40\]

    C)  \[\sim 60\]

    D)  \[\sim 80\]

    Correct Answer: B

    Solution :

    The energy difference between the observed and calculated value of heat of hydrogenation is 36 kcal/mol. This energy is called resonance energy. Hence, resonance energy of benzene in kcal/mol is about 40.


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