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

  • question_answer
    Pick out the complex compound in which the  central metal atom obeys EAN rule strictly [KCET 2003]

    A) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

    B) \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]

    C) \[[Cr{{({{H}_{2}}O)}_{6}}]\,C{{l}_{3}}\]

    D) \[[Cu{{(N{{H}_{3}})}_{4}}]\,S{{O}_{4}}\]

    Correct Answer: A

    Solution :

      In complex \[{{K}_{4}}[Fe\,{{(CN)}_{6}}]\] the \[Fe\] obey EAN rule strictly.


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