Statement I : Fe₃O₄ contains iron atoms in two different oxidation numbers
Statement II : Fe²⁺ ions decolourize KMnO₄ solution

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Statement I and II are correct

Statement I is correct and II is incorrect

Statement I is incorrect and statement II is correct

Statement I& II are incorrect

answer is A.

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Detailed Solution

I) Fe₃O₄ is Fe₂O₃.FeO. oxidation states of Iron are +3,+2
Statement I is correct
II) Fe⁺² ion reduces KMnO₄ to MnSO₄ in acidic medium thus declourises KMnO₄
Statement II is correct

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