6 SO2 + 6 H2O + 2 IO3 → 6 SO42- + 12 H+ + I2
This is an oxidation-reduction (redox) reaction:
6 SIV - 12 e- → 6 SVI (oxidation)
2 IVI + 12 e- → 2 I0 (reduction)
SO2 is a reducing agent, IO3 is an oxidizing agent.
Reactants:
- 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.]
- H2O – Water, oxidane
- IO3
Products:
Warning: Unknown compound 'IO3'