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

  • question_answer
    When \[E_{A{{g}^{+}}/Ag}^{o}=0.8\]volt and \[E_{Z{{n}^{2+}}/Zn}^{o}=-0.76\,\] volt, which of the following is correct                 [MP PMT 1994]

    A)                 \[A{{g}^{+}}\] can be reduced by \[{{H}_{2}}\]

    B)                 \[Ag\] can oxidise \[{{H}_{2}}\] into \[{{H}^{+}}\]

    C)                 \[Z{{n}^{2+}}\] can be reduced by \[{{H}_{2}}\]

    D)                 \[Ag\] can reduce \[Z{{n}^{2+}}\] ion

    Correct Answer: A

    Solution :

                    Because \[{{H}_{2}}\] has greater reduction potential so it reduced the \[A{{g}^{+}}\].


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