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Manipal Medical Manipal Medical Solved Paper-2002

  • question_answer
    \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]and\[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]can be best distinguished by:

    A)  \[NaOH\]

    B)  \[\beta -\]naphthol

    C)  \[CHC{{l}_{3}}/KOH\]

    D)  Hinsbergs reagent

    Correct Answer: B

    Solution :

     Aromatic amines gives coupling reaction with \[\beta -\]naphthol and produce dye. While. aliphatic amine does not give coupling reaction with\[\beta -\]Naphthol.


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