2 ZnS + 3 O2 → 2 ZnO + 2 SO2
This is an oxidation-reduction (redox) reaction:
2 S-II - 12 e- → 2 SIV (oxidation)
6 O0 + 12 e- → 6 O-II (reduction)
ZnS is a reducing agent, O2 is an oxidizing agent.
Reactants:
- ZnS
- O2
Products:
- ZnO
- 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