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

  • question_answer
    Standard electrode potential of cell \[{{H}_{2}}|{{H}^{+}}||A{{g}^{+}}|Ag\] is [AIEEE 2004]

    A)                 0.8 V     

    B)                 ? 0.8 V

    C)                 ? 1.2 V 

    D)                 1.2 V

    Correct Answer: A

    Solution :

               \[\frac{1}{2}{{H}_{2}}|{{H}^{+}}|\]  \[|A{{g}^{+}}|Ag|\]                    \[E_{Cell}^{0}=E_{Cathode}^{0}-E_{Anode}^{0}\]\[=E_{A{{g}^{+}}/Ag}^{0}-E_{{{H}^{+}}/\frac{1}{2}{{H}_{2}}}^{0}\]                                 \[(0.80)-(0.0)=0.80\ V.\]


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