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

  • question_answer
    Number of unpaired electrons in \[M{{n}^{2+}}\] is [CPMT 1997; Pb. PET/PMT 1999]

    A) 3

    B) 5

    C) 4

    D) 1

    Correct Answer: B

    Solution :

    \[M{{n}^{2+}}-3{{d}^{5}}\to \]unpaired \[{{e}^{-}}\].


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