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BHU PMT BHU PMT (Screening) Solved Paper-2009

  • question_answer
    For which element of first transition series, the oxidation potential value\[(M\to {{M}^{2+}}+2{{e}^{-}})\]is lowest?

    A)  \[Mn\]                                

    B) \[Fe\]

    C)  \[Ni\]                                  

    D) \[Cu\]

    Correct Answer: D

    Solution :

                     The oxidation potential value \[(M\to {{M}^{2+}}+2{{e}^{-}})\] of Cu is lowest in the given first transition series elements.
    Element - Mn Fe Ni Cu
    \[{{E}_{M/{{M}^{2+}}}}\](in volt) - 1.18 0.44 0.25 -0.34


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