d and f Block ElementsmediumMCQ SINGLE

The correct statement about iron includes<br>(I) the highest oxidation state of iron is +6 in K2FeO4d and f Block Elements Chemistry Question

Question

The correct statement about iron includes<br>(I) the highest oxidation state of iron is +6 in K2FeO4<br>(II) that the iron shows +2 oxidation state with six electrons in the 3d orbitals<br>(III) the common oxidation state of iron is +3 with five unpaired electrons in the 3d orbital

Answer: A
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