Ferric compounds , including ferric oxide, are dark brown, reddish brown or chocolate brown.
The molecular formula for Ferric Oxide is Fe2O3.
We know that Fe2O3 is the chemical formula for ferric oxide. We also note that ferric oxide is also written as iron(III) oxide.
Fe2o3
Because lead oxide (ferric oxide) contains no carbon in it's structure, it is considered an inorganic molecule.