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J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    Which of the following metal can be obtained by the electrolysis of the aqueous solution of its salts?

    A)  Cu          

    B)  Na

    C)  Mg         

    D)  K

    Correct Answer: B

    Solution :

     Sodium metal (Na) is obtained by the electrolysis of the aqueous solution of its salts. \[\,NaClN{{a}^{+}}+C{{l}^{-}}\] At cathode: \[N{{a}^{+}}+{{e}^{-}}\xrightarrow[{}]{{}}Na\] At anode:\[2C{{l}^{-}}\xrightarrow{{}}C{{l}_{2}}+2{{e}^{-}}\]


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