AMU Medical AMU Solved Paper-2015

  • question_answer
    Carbylamine test is given by

    A)  primary amines               

    B)  secondary amines

    C)  test amines                      

    D)  quaternary amines

    Correct Answer: A

    Solution :

                     Carbylamine test is given by only primary amines (both aliphatic and aromatic). Primary amines when warmed with chloroform and alcoholic KOH, give extremely bad smelling compounds called carbylamines or isocyanides. \[RN{{H}_{2}}+CHC{{l}_{3}}+3\,KOH(alc.)\]\[\xrightarrow[{}]{{}}RN\underset{\begin{smallmatrix}  Alkyl \\  carbyla\min e \end{smallmatrix}}{\mathop{\underline{\underline{\xrightarrow[{}]{{}}}}}}\,C+3KCl+3{{H}_{2}}O\]


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