Uttarakhand PMT Uttarakhand PMT Solved Paper-2011

  • question_answer
    Ethyl acetate is obtained when methyl magnesium bromide reacts with

    A)  ethyl formate

    B)  acetyl chloride

    C)  carbon dioxide

    D)  ethyl chloroformate

    Correct Answer: D

    Solution :

     \[C{{H}_{3}}MgBr+\underset{ethyl\text{ }chloro\text{ }formate}{\mathop{Cl-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-O{{C}_{2}}{{H}_{5}}}}\,\xrightarrow[{}]{{}}\] \[\left[ Cl-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  OMGBr \\  | \end{smallmatrix}}{\mathop{C}}}\,-O{{C}_{2}}{{H}_{5}} \right]\xrightarrow[{}]{{}}\underset{ethyl\text{ }acetate}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-O{{C}_{2}}{{H}_{5}}}}\,\]


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