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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2008

  • question_answer
        Which one of the following condition will increase the voltage of the cell represented by the equation? \[Cu(s)+2A{{g}^{+}}(aq)C{{u}^{2+}}(aq)+2Ag(s)\]

    A)  Increase in the dimension of\[Cu\]electrode

    B)  Increase in the dimension of\[Ag\]electrode

    C)  Increase in the concentration of\[C{{u}^{2+}}\]ions

    D)  Increase in the concentration of\[A{{g}^{+}}\]ions

    Correct Answer: D

    Solution :

                    Since reduction occurs at Ag electrode hence, increase in the concentration of\[A{{g}^{+}}\]or decrease in concentration of\[C{{u}^{2+}}\]will increase the voltage.


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