CET Karnataka Medical CET - Karnataka Medical Solved Paper-2011

  • question_answer
    Which one of these is not true for benzene?

    A)  It forms only one type of   monosubstituted product

    B)  There are three carbon-carbon single bonds and three carbon-carbon double bonds

    C)  Heat of hydrogenation of benzene is less than its theoretical value

    D)  The bond angle between carbon-car bonds is \[{{120}^{o}}\]

    Correct Answer: B

    Solution :

    Benzene does not contain 3 single bonds and 3 double bonds. These are all partially double due to resonance.


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