AMU Medical AMU Solved Paper-2015

  • question_answer
    The product of the chemical reaction,\[C{{H}_{3}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-N{{H}_{2}}+B{{r}_{2}}+4NaOH\xrightarrow{{}}?\] will be

    A)  \[C{{H}_{4}}\]                  

    B)  \[C{{H}_{3}}-Br\]

    C)  \[C{{H}_{3}}OBr\]                          

    D)  \[C{{H}_{3}}-N{{H}_{2}}\]

    Correct Answer: D

    Solution :

                    \[\underset{Ethanamide}{\mathop{C{{H}_{3}}\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-N{{H}_{2}}}}\,+B{{r}_{2}}+4NaOH\xrightarrow{{}}\]\[\underset{\begin{smallmatrix}  Methanamine \\  {{1}^{o}}\text{ }amine \end{smallmatrix}}{\mathop{C{{H}_{3}}-N{{H}_{2}}+}}\,2KBr+{{K}_{2}}C{{O}_{3}}+2{{H}_{2}}O\] This reaction is known as Hofmann bromamide degradation reaction.


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