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

  • question_answer
    For the electrochemical cell \[Pt(s)\underset{1\text{ }atm}{\mathop{|{{H}_{2}}(g)|}}\,{{H}^{+}}(1M)|,Cu(s)\] which one of the following statements is true?

    A) \[{{H}^{+}}\] ions are formed at anode and Cu is deposited at cathode.

    B) \[{{H}_{2}}\] is liberated at cathode and Cu is deposited at anode.

    C) Oxidation occurs at cathode.

    D) Reduction occurs at anode.

    Correct Answer: A

    Solution :

    [a] \[A:{{H}_{2}}(g)\rightleftharpoons 2{{H}^{+}}(aq)+2{{e}^{-}}\] \[C:C{{u}^{2+}}(aq)+2e{{~}^{-}}\,\rightleftharpoons Cu(s)\]


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