JEE Main & Advanced Chemistry Structure of Atom Question Bank Quantum number, Electronic configuration and Shape of orbitals

  • question_answer
    Which of the following metal ions will have maximum number of unpaired electrons      [CPMT 1996]

    A)                 \[F{{e}^{+2}}\] 

    B)                 \[C{{O}^{+2}}\]

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

    D)                 \[M{{n}^{+2}}\]

    Correct Answer: D

    Solution :

               \[M{{n}^{+2}}\] ion will have five (maximum) unpaired electrons


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