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

  • question_answer
    The number of unpaired electrons in \[Z{{n}^{++}}\] is

    A) 2

    B) 3

    C) 4

    D) 0

    Correct Answer: D

    Solution :

    \[Z{{n}^{+2}}-3{{d}^{10}}4{{s}^{0}}\] so there are no unpaired electrons.


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