Manipal Medical Manipal Medical Solved Paper-2007

  • question_answer
    By which one of the following compounds both \[C{{H}_{4}}\]and\[C{{H}_{3}}-C{{H}_{3}}\]can be prepared in one step?

    A)  \[C{{H}_{3}}I\]         

    B)  \[C{{H}_{3}}OH\]

    C)  \[C{{H}_{3}}C{{H}_{2}}I\]       

    D)  \[{{C}_{2}}{{H}_{5}}OH\]

    Correct Answer: A

    Solution :

     \[C{{H}_{3}}I+2H\xrightarrow[or\,Zn-Cu/{{C}_{2}}{{H}_{5}}OH]{Zn+HCl}\underset{Methane}{\mathop{C{{H}_{4}}}}\,+HI\] \[C{{H}_{3}}I+2Na+IC{{H}_{3}}\xrightarrow[{}]{Dry\,ether}\] \[\underset{Ethane}{\mathop{C{{H}_{3}}-C{{H}_{3}}}}\,+2NaI\]


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