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

  • question_answer Which of the following metals exhibits more than one oxidation state [MP PET 1999]

    A) \[Na\]

    B) \[Mg\]

    C) \[Fe\]

    D) \[Al\]

    Correct Answer: C

    Solution :

    Fe belongs to first transition series.


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