BCECE Engineering BCECE Engineering Solved Paper-2009

  • question_answer
    During the electrolysis of fused \[NaCl,\] this happens at cathode

    A)  oxidation of\[N{{a}^{+}}\]                            

    B)  reduction of\[N{{a}^{+}}\]                       

    C)  reduction of \[C{{l}^{-}}\]

    D)  oxidation of \[C{{l}^{-}}\]                    

    Correct Answer: B

    Solution :

    During the electrolysis of fused NaCI, following reactions take place: \[NaCl\xrightarrow{{}}N{{a}^{+}}+C{{l}^{-}}\] At anode \[C{{l}^{-}}+{{e}^{-}}\xrightarrow{\text{Oxidation}}Cl\] At cathode \[N{{a}^{+}}\xrightarrow{\text{Reduction}}Na+{{e}^{-}}\]


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