MGIMS WARDHA MGIMS WARDHA Solved Paper-2007

  • question_answer
    \[C{{H}_{3}}Br+KCN(alco.)\xrightarrow{{}}X\xrightarrow[Na+{{C}_{2}}{{H}_{5}}OH]{\operatorname{Re}duction}Y\]. What is Y in the series?

    A) \[C{{H}_{3}}CN\]                             

    B) \[{{C}_{2}}{{H}_{5}}CN\]

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

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

    Correct Answer: C

    Solution :

                     \[\underset{\begin{smallmatrix}  methyl \\  bromide \end{smallmatrix}}{\mathop{C{{H}_{3}}Br}}\,+KCN(alco.)\xrightarrow{{}}\underset{(X)}{\mathop{C{{H}_{3}}CN}}\,\]\[\xrightarrow[Na+{{C}_{2}}{{H}_{5}}OH]{\operatorname{Re}duction}\underset{\begin{smallmatrix}  ethyl\,a\min e \\  \,\,\,\,\,\,\,\,\,(Y) \end{smallmatrix}}{\mathop{C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}}}\,\]


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