Chemistry - Carbonyl compounds Question with Solution | TestHub

In all these complexes, Fe is in +3 oxidation state. However, the complex ([Fe(C₂O₄)₃]^3-) is a chelate because three${\text{C}}_2{\text{O}}_4^{2-}$ions act as the chelating ligands. Thus, the most stable complex is [Fe(C₂O₄)₃]^3-.