Question

What are the oxidation numbers fe2(c2o4)3?

Answer 1

Is it not `Fe(III+)`?

Explanation:

We get `Fe_2(C_2O_4)_3*6H_2O`...this is formally the `Fe(III+)` salt of `"oxalic acid"`, `"HO(O=)CC(=O)OH"`...