You can also ask for help determining oxidation numbers in our chat or forums. Examples MnO(OH2) C6H4(Cl)COOH KO2(K) C10H15N(OH)2 PCl3(S) RhCl6{3-} KS(CN) Li(H2PO4) H2C2O4(H2O)2 Br(BrO3) CH3CHOHCH2CH2CH2CH3 K(PH2O2) Recent Oxidation Numbers...