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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Electrode potential Ecell Nernst equation and ECS

  • question_answer
    In the electrochemical cell                 \[{{H}_{2}}(g)\,1\,atm\,|{{H}^{+}}(1M)||C{{u}^{2+}}(1M)\,|Cu(s)\]                 Which one of the following statements is true [EAMCET 1997]

    A)                 \[{{H}_{2}}\] is cathode; \[Cu\] is anode

    B)                 Oxidation occurs at \[Cu\] electrode

    C)                 Reduction occurs at \[{{H}_{2}}\] electrode

    D)                 \[{{H}_{2}}\] is anode; \[Cu\] is cathode

    Correct Answer: D

    Solution :

               \[{{H}_{2}}\] is anode because oxidation takes place.                                 Cu is cathode because reduction is takes place.


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