JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    Most stable oxidation state of iron is  [AFMC 1976; CPMT 1988]

    A) \[+2\]

    B) \[+3\]

    C) \[-2\]

    D) \[-3\]

    Correct Answer: B

    Solution :

    + 3 state is most stable because of half filled d sub-shell


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