JCECE Medical JCECE Medical Solved Paper-2007

  • question_answer
    Reaction of ethyl formate with excess of \[\text{C}{{\text{H}}_{\text{3}}}\text{Mgl}\] followed by hydrolysis gives

    A)  \[n-\]propyl alcohol   

    B)  isopropyl alcohol

    C)  acetaldehyde

    D)  acetone

    Correct Answer: C

    Solution :

     \[H-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}+C{{H}_{3}}MgBr\to H-\underset{\underset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\downarrow {{H}_{2}}O}{\mathop{O{{C}_{2}}{{H}_{5}}}}\,}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-OMgBr\] \[C{{H}_{3}}CHO\xleftarrow[-{{H}_{2}}O]{}H-\underset{OH}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-OH\]


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