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NEET Chemistry Electrochemistry / विद्युत् रसायन Question Bank Self Evaluation Test - Electrochemistry

  • question_answer
    Electrode potential of the half cell \[Pt\left( s \right)|Hg\left( l \right)|\]\[H{{g}_{2}}C{{l}_{2}}(s)|C{{l}^{-}}(aq)\] can be increased by:

    A) Increasing \[\left[ C{{l}^{-}} \right]\]

    B) Decreasing \[\left[ C{{l}^{-}} \right]\]

    C) Increasing \[H{{g}_{2}}C{{l}_{2}}(s)\]

    D) Decreasing \[Hg\left( l \right)\]

    Correct Answer: B

    Solution :

    [b] \[E=E{}^\circ -\frac{0.0591}{2}\log \frac{1}{{{[C{{l}^{-}}]}^{2}}};as\,[C{{l}^{-}}]\downarrow ,E\uparrow \]


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