CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2007

  • question_answer
    An alkyl halide reacts with alcoholic ammonia in a sealed tube, the product formed will be

    A)  a primary amine

    B)  a secondary amine

    C)  a tertiary amine

    D)  a mixture of all the three

    Correct Answer: D

    Solution :

    When an alkyl halide reacts with alcoholic ammonia in a sealed tube then a mixture of primary, secondary and tertiary amine is formed. \[RX\,\,+\,\,N{{H}_{3}}\xrightarrow{{}}\underset{pri-amine}{\mathop{RN{{H}_{2}}}}\,+HX\]  \[RN{{H}_{2}}+XR\xrightarrow{{}}\underset{sec-amine}{\mathop{{{R}_{2}}N{{H}_{2}}}}\,+HX\] \[{{R}_{2}}NH+XR\xrightarrow{{}}\underset{ter-\text{ }amine}{\mathop{{{R}_{3}}N}}\,+HX\]


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