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JEE Main & Advanced Chemistry Coordination Chemistry Question Bank Nomenclature, Oxidation state and EAN number

  • question_answer
    The EAN of iron in potassium ferricyanide is [Pb. CET 2000]

    A) 18

    B) 54

    C) 35

    D) 23

    Correct Answer: C

    Solution :

    EAN of a central metal ion=(atomic no. of central atom) - oxidation state + no. of ligands × 2 \[=26-3+(6\times 2)=23+12=35\]


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