What are the common compounds of iron?
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Three oxygen compounds of iron are known: ferrous oxide, FeO; ferric oxide, Fe2O3; and ferrosoferric oxide, or ferroferric oxide, Fe3O4, which contains iron in both +2 and +3 oxidation states.
Oxidation state: +4
Boiling point: about 4,000 °C (7,200 °F)
Melting point: about 1,700 °C (3,100 °F)
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compound
Explanation:
Three oxygen compounds of iron are known: ferrous oxide, FeO; ferric oxide, Fe2O3; and ferrosoferric oxide, or ferroferric oxide, Fe3O4, which contains iron in both +2 and +3 oxidation states.
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