S2O3 → SO2 + SO
This is an oxidation-reduction (redox) reaction:
SIII + e- → SII (reduction)
SIII - 1 e- → SIV (oxidation)
S2O3 is both an oxidizing and a reducing agent (disproportionation (dismutation)).
Reactants:
- S2O3
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.]
- SO – Sulfate