CMC Medical CMC-Medical Ludhiana Solved Paper-2015

  • question_answer
    The compound that does not undergo carbylamine reaction.

    A)  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]

    B)  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\]

    C)  \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{\mathbf{|}}{\overset{\mathbf{|}}{\mathop{C}}}\,}}}\,-N{{H}_{2}}\]

    D)  \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]

    Correct Answer: C

    Solution :

                    Carbylamine reaction-is given by only primary amines (both aliphatic and aromatic amines). In this reaction, a primary amine when warmed with chloroform and alcoholic KOH, forms an isocyanide or carbylamine having offensive small \[2{}^\circ \]and \[3{}^\circ \] amines do not give carbylamine test.


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