2 CuO + Cu2S → SO2 + 4 Cu
This is an oxidation-reduction (redox) reaction:
2 CuII + 4 e- → 2 Cu0 (reduction)
2 CuI + 2 e- → 2 Cu0 (reduction)
S-II - 6 e- → SIV (oxidation)
CuO is an oxidizing agent, Cu2S is an oxidizing agent, Cu2S is a reducing agent.
Reactants:
Products:
- 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.]
- Other names: Sulfurous anhydride
- Cu