JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank General Characteristics

  • question_answer
    Which of the following transition metal cation has maximum unpaired electrons [MP PET/PMT 1988; MP PMT 1991; RPMT 1997]

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

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

    C) \[C{{o}^{2+}}\]

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

    Correct Answer: A

    Solution :

    \[M{{n}^{2+}}-5\] unpaired electrons.


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