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

  • question_answer
    Transitional elements exhibit variable valencies because they release electrons from the following orbits [MP PET/PMT 1988; MP PET 1989;UPSEAT 2001]

    A) ns orbit

    B) ns and np orbits

    C) (n - 1)d and ns orbits

    D) (n - 1)d orbit

    Correct Answer: C

    Solution :

    \[(n-1)\,d\] and ns orbits.


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