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

  • question_answer
    The EMF of the cell \[Tl/T{{l}^{+}}(0.001M)||C{{u}^{2+}}(0.01M)/Cu\,is\,0.83.\] The cell EMF can be increased by

    A) Increasing the concentration of \[T{{l}^{+}}\] ions.

    B) Increasing the concentration of\[C{{u}^{2+}}\]  ions.

    C) Increasing the concentration of \[T{{l}^{+}}\] and \[C{{u}^{2+}}\]ions.

    D) None of these

    Correct Answer: B

    Solution :

    [b] The oxidation potential \[\propto \frac{1}{Concentration\text{ }of\text{ }ions}\] and reduction potential \[\propto \] concentration of ions. The cell voltage can be increased by decreasing the concentration of ions around anode or by increasing the concentration of ions around cathode


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