Oxidation number of chlorine atoms in caocl2 July 8, 2019 16 32 64 128 Oxidation number of two chlorine atoms in caocl2 Oxidation number of two chlorine atoms in bleaching powder caocl2 are In bleaching powder caocl2 the oxidation number of the chlorine atoms are Oxidation number of sulfur in h2so4 S2o3 oxidation number Cl2 + kbr Oh oxidation number