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

  • question_answer
    What is the magnetic moment of \[{{[Fe{{F}_{6}}]}^{3-}}\] [JEE Orissa 2004]

    A) 5.92

    B) 5.49

    C) 2.32

    D) 4

    Correct Answer: A

    Solution :

    \[F{{e}^{3+}}\] ion has \[[Ar]\ 3{{d}^{5}}\] configuration hence number of unpaired electron is 5.


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