JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Electrode potential Ecell Nernst equation and ECS

  • question_answer
    If an iron rod is dipped in \[CuS{{O}_{4}}\] solution [MADT Bihar 1984]

    A)                 Blue colour of the solution turns green

    B)                 Brown layer is deposited on iron rod

    C)                 No change occurs in the colour of the solution

    D)                 Blue colour of the solution vanishes

    E)                 None of the above

    Correct Answer: B

    Solution :

                    Brown layer is deposited on iron rod because Cu has greater than reduction potential than that of \[F{{e}^{2+}}\].


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