BHU PMT BHU PMT (Mains) Solved Paper-2010

  • question_answer
    Which of the following is the weakest base in aqueous solution?

    A)  Diisopropylamine

    B)  Benzylamine

    C)   Aniline

    D)   Cyclohexylamine

    Correct Answer: C

    Solution :

                     Basicity of amines depends upon the availability of lone pair of nitrogen for donation. Among the given, the lone pair of nitrogen in aniline takes part in resonance, thus not available for bonding. Hence, aniline is the weakest base in aqueous solution.


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