Ferric
Ferric refers to chemical compounds containing iron in the +3 oxidation state. They are normally brown. Iron(III) oxide, also known as rust, is an example. They are oxidizing agents.
Ferric Media
Potassium ferrioxalate contains the iron(III) complex [Fe(C
2O
4)
3]3−.Pourbaix diagram of aqueous iron
Ferric oxide, commonly called rust, is a very complicated material that contains iron(III).