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

  • question_answer
    The pair of the compounds in which both the metals are in the highest possible oxidation state is [IIT-JEE (Screening) 2004]

    A) \[{{[Fe{{(CN)}_{6}}]}^{3-}},{{[Co{{(CN)}_{6}}]}^{3-}}\]

    B) \[Cr{{O}_{2}}C{{l}_{2}},MnO_{4}^{-}\]

    C) \[Ti{{O}_{3}},Mn{{O}_{2}}\]

    D) \[{{[Co{{(CN)}_{6}}]}^{3-}},Mn{{O}_{3}}\]

    Correct Answer: B

    Solution :

    \[\overset{+6\,\,\,\,\,}{\mathop{Cr{{O}_{2}}}}\,C{{l}_{2}},\,\,\overset{+7}{\mathop{Mn}}\,{{O}_{4}}\].


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