(oh)3 oxidation number July 8, 2019 16 32 64 128 Cr(oh)3 oxidation number Fe(oh)3 oxidation number B(oh)3 oxidation number Cr(oh)6 3- oxidation number Bi(oh)3 oxidation number Al(oh)3 oxidation number Mn(oh)3 oxidation number Pb(oh)3 oxidation number Co(oh)3 oxidation number Kpb(oh)3 oxidation number 2cr(oh)3 oxidation number