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JEE Main & Advanced Chemistry Nitrogen Containing Compounds Question Bank Mock Test - Organic Compounds Containing Nitrogen

  • question_answer
    In the diazotization of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to:

    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 :

    [a] In diazotization of aniline with \[NaN{{O}_{2}}\]and HCl an excess of HCl is used to suppress the concentration of aniline available for coupling.


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