J & K CET Medical J & K - CET Medical Solved Paper-2013

  • question_answer
    Electrolysis of an aqueous solution of sodium ethanoate gives

    A)  methane           

    B)  ethane

    C)  butane             

    D)  methyl ethanoate

    Correct Answer: B

    Solution :

     Molecular formula is\[{{C}_{2}}{{H}_{3}}Na{{O}_{2}}\]. Electrolysis of aqueous solution occurs as on Cathode \[{{H}^{+}}(aq)+{{e}^{-}}\xrightarrow[{}]{{}}\frac{1}{2}{{H}_{2}}(g)\] Anode    \[2{{C}_{2}}{{H}_{3}}{{O}_{2}}\xrightarrow[{}]{{}}{{C}_{2}}{{H}_{6}}(g)+2C{{O}_{2}}(g)\] \[+2{{e}^{-}}\]


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