Mno4 1 oxidation number of mn July 8, 2019 16 32 64 128 Calculate the oxidation number of mn in mno4 1 Mno4 2- oxidation number Mno4 oxidation number Mn3o4 oxidation number Balance mno4- + so2 Mno2+hcl=mncl2+cl2+h2o balance redox