JEE Main & Advanced Sample Paper JEE Main - Mock Test - 33

  • question_answer
    Which one of the following ions exhibit highest magnetic moment?

    A) \[C{{u}^{+2}}\]            

    B)        \[T{{i}^{+3}}\]

    C) \[N{{i}^{+2}}\]                      

    D)        \[M{{n}^{+2}}\]

    Correct Answer: D

    Solution :

    [d] \[C{{u}^{+2}}=\left[ Ar \right]4{{s}^{0}}3{{d}^{9}}\left( 1\text{ }unpaired\text{ }{{e}^{-}} \right)\] \[T{{i}^{+3}}=[Ar]4{{s}^{0}}3{{d}^{1}}(1\,unpaired\,e{{~}^{-}})\] \[N{{i}^{+2}}=[Ar]4{{s}^{0}}3{{d}^{8}}(2\,unpaired\,{{e}^{-}})\] \[M{{n}^{+2}}=[Ar]4{{s}^{0}}3{{d}^{5}}(5\,unpaired\,{{e}^{-}})\]


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