JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Valency and oxidation state

  • question_answer Variable valency in general, is exhibited by [CPMT 1974, 84, 89; DPMT 1981, 82; MP PET 2001]

    A) Transition elements

    B) Gaseous elements

    C) Non-metals

    D) \[s\]-block elements

    Correct Answer: A

    Solution :

    Transition elements due to presence of vacant d-orbitals.


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