J & K CET Medical J & K - CET Medical Solved Paper-2010

  • question_answer
    Which of the following reagent can be used to convert ethanamide to methanamine?

    A) \[{{P}_{2}}{{O}_{5}}\]                                    

    B) \[NaOBr\]

    C)  \[LiAl{{H}_{4}}/{{H}_{2}}O\]      

    D) \[Na(Hg)/{{C}_{2}}{{H}_{5}}OH\]

    Correct Answer: B

    Solution :

                    \[NaOBr\]converts\[CON{{H}_{2}}\]group into\[N{{H}_{2}}\]group. \[\underset{ethanamide}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,\xrightarrow[\begin{smallmatrix}  -N{{a}_{2}}C{{O}_{3}} \\  -NaBr  \\  -{{H}_{2}}O \end{smallmatrix}]{NaOBr}\underset{mehana\min e}{\mathop{C{{H}_{3}}N{{H}_{2}}}}\,\]


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