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

  • question_answer
    The standard electrode potentials of \[Z{{n}^{2+}}/Zn\] and \[A{{g}^{+}}/Ag\] are \[-\,0.763\,V\] and \[+\,0.799\,V\] respectively. The standard potential of the cell is              [KCET 1993]

    A)                 1.56 V   

    B)                 0.036 V

    C)                 ? 1.562 V             

    D)                 0.799 V

    Correct Answer: A

    Solution :

                    \[E_{\text{cell}}^{o}=E_{\text{cathode}}^{o}-E_{\text{anode}}^{o}\]=\[0.799-(-0.763)=1.562\]V


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