2Fecl3 + H2S 2Fecl2 + 2Hcl + S
—
2Fecl3 + H2S 2Fecl2 + 2Hcl + S . Web correct option is a) the oxidation number of iron changes from +3 to +2. Web count the number of atoms of each element on each side of the equation and verify…
