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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Numerical Value Type Questions - Co-ordination Compound, d & f-block

  • question_answer
    \[F{{e}^{2+}}\left( aq \right)+NO_{3}^{-}\left( aq \right)+{{H}_{2}}S{{O}_{4}}\left( conc. \right)\to Brown\,ring\]The brown ring is due to the formation of complex, \[\left[ Fe{{\left( {{H}_{2}}O \right)}_{5}}NO \right]S{{O}_{4}}\]. What is the oxidation state of iron in the complex?

    Answer:

    1.00


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