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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2006

  • 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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