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What is iron’s oxidation number

Accepted Answer

Iron's oxidation number can vary depending on the compound it's in. Here are some common examples:

Fe(0): Elemental iron has an oxidation number of 0.
Fe(II) or +2: Iron(II) compounds like FeO (iron(II) oxide) or FeCl2 (iron(II) chloride).
Fe(III) or +3: Iron(III) compounds like Fe2O3 (iron(III) oxide) or FeCl3 (iron(III) chloride).

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