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D And F Block Elements

JEE Main 2021 (Online) 25th July Morning Shift

MCQ+4 / -12021

The correct order of following 3d metal oxides, according to their oxidation numbers is :

(a) CrO₃, (b) Fe₂O₃, (c) MnO₂, (d) V₂O₅, (e) Cu₂O

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