2 FeSO4 + Cl2 + 6 H2O → 2 Fe(OH)3 + 2 H2SO4 + 2 HCl
This is an oxidation-reduction (redox) reaction:
2 Cl0 + 2 e- → 2 Cl-I (reduction)
2 FeII - 2 e- → 2 FeIII (oxidation)
Cl2 is an oxidizing agent, FeSO4 is a reducing agent.
Reactants:
Products:
- Fe(OH)3
- H2SO4 – Sulfuric acid
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]