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

  • question_answer
    Beryllium is placed above magnesium in the second group. Beryllium dust, therefore when added to \[MgC{{l}_{2}}\]solution will [CPMT 1977]

    A)                 Have no effect

    B)                 Precipitate \[Mg\] metal

    C)                 Precipitate \[MgO\]

    D)                 Lead to dissolution of \[Be\]metal

    Correct Answer: A

    Solution :

                    No doubt \[Be\] is placed above \[Mg\] in the second group of periodic table but it is below \[Mg\] in electrochemical series.


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