Fe3O4 + 2 S → 3 Fe + 2 SO2
This is an oxidation-reduction (redox) reaction:
2 S0 - 8 e- → 2 SIV (oxidation)
3 Fe8/3 + 8 e- → 3 Fe0 (reduction)
S is a reducing agent, Fe3O4 is an oxidizing agent.
Reactants:
Products:
- Fe
- SO2 – Sulfur dioxide
- Other names: Sulfurous anhydride , Sulphur dioxide , Sulfurous acid anhydride
- Appearance: Colorless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.]