H2 + 2 FeCl3 → 2 HCl + 2 FeCl2
This is an oxidation-reduction (redox) reaction:
2 H0 - 2 e- → 2 HI (oxidation)
2 FeIII + 2 e- → 2 FeII (reduction)
H2 is a reducing agent, FeCl3 is an oxidizing agent.
Reactants:
Products:
- 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.]
- FeCl2 – Iron(II) chloride , Iron dichloride