Ferric vs. Ferrous — What's the Difference?

Relating to iron.

In chemistry, the adjective ferrous indicates a compound that contains iron(II), meaning iron in its +2 oxidation state, possibly as the divalent cation Fe2+. It is opposed to "ferric" or iron(III), meaning iron in its +3 oxidation state, such as the trivalent cation Fe3+.

Relating to or containing iron, especially with valence 3 or a valence higher than in a corresponding ferrous compound.

(chiefly of metals) containing or consisting of iron.

Pertaining to, derived from, or containing iron.

Of iron with a valency of two; of iron(II).

(chemistry) Of compounds of iron in which it has a valence or oxidation number of 3

Relating to or containing iron, especially with valence 2 or a valence lower than in a corresponding ferric compound.

Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide; ferric acid.

Of or containing iron.

Of or relating to or containing iron

(chemistry) Of compounds of iron in which it has a valence or oxidation number of 2.

Pertaining to, or derived from, iron; - especially used of compounds of iron in which the iron has its lower valence of two; as, ferrous sulphate.

Of or relating to or containing iron