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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2001

  • question_answer
    Unpleasant smell of carbylamine is obtained   when   chloroform   and alcoholic \[KOH\] are heated with:

    A)  any aliphatic amine

    B)  any amine

    C)  any primary amine

    D)  any aromatic amine

    Correct Answer: C

    Solution :

    Primary amines on heating with chloroform and alcoholic \[KOH\] produce foul smelling carbylamine (isocyanide). \[\underset{\text{Primary}\,\text{amine}}{\mathop{R-N{{H}_{2}}+CH}}\,OH\xrightarrow{{}}\] \[\underset{\begin{smallmatrix}  Isocyanide \\  (foul\,smell) \end{smallmatrix}}{\mathop{R-NC}}\,+3KCl+3{{H}_{2}}O\]


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