PbS + 2 PbO → 3 Pb + SO2
This is an oxidation-reduction (redox) reaction:
3 PbII + 6 e- → 3 Pb0 (reduction)
S-II - 6 e- → SIV (oxidation)
Reactants:
- PbS
- PbO
Products:
- Pb
- 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.]