FeS + 6 CuO → 3 Cu2O + FeO + SO2
This is an oxidation-reduction (redox) reaction:
6 CuII + 6 e- → 6 CuI (reduction)
S-II - 6 e- → SIV (oxidation)
CuO is an oxidizing agent, FeS is a reducing agent.
Reactants:
Products:
- Cu2O – Copper(I) oxide
- FeO – Iron(II) oxide
- 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.]