Manipal Medical Manipal Medical Solved Paper-2013

  • question_answer
    Which of the following would not form upon electrolysis of aqueous solution of potassium propanoate?

    A)  Butane         

    B)  Ethyl ethanoate

    C)  Ethyl propanoate     

    D)  Ethene

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}C{{H}_{2}}COOK\xrightarrow[{}]{Electrolysis}\underset{I}{\mathop{C{{H}_{3}}C{{H}_{2}}CO{{O}^{\bullet }}}}\,\] \[\xrightarrow[{}]{{}}\underset{II}{\mathop{CH_{3}^{\bullet }C{{H}_{2}}}}\,\] \[2II\xrightarrow[{}]{{}}\]Butane;\[I+II\xrightarrow[{}]{{}}\]ethyl propanoate \[II\xrightarrow[{}]{disproportionation}\]ethene + ethane.


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