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JEE Main & Advanced Chemistry Nitrogen Containing Compounds Question Bank Properties of Nitrogen Containing Compounds

  • question_answer
    In the diazotisation of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to                [Pb. PMT 1998]

    A)                 Suppress the concentration of free aniline available for coupling

    B)                 Suppress hydrolysis of phenol

    C)                 Insure a stoichiometric amount of nitrous acid

    D)                 Neutralize the base liberated

    Correct Answer: A

    Solution :

                    To supress the concentration of the aniline available for coupling other rise coupling occurs.


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