C (s) + H2SO4 (aq) → H2 (g) + SO2 (aq) + CO2 (g)
This is an oxidation-reduction (redox) reaction:
C0 - 4 e- → CIV (oxidation)
SVI + 2 e- → SIV (reduction)
2 HI + 2 e- → 2 H0 (reduction)
C is a reducing agent, H2SO4 is an oxidizing agent, H2SO4 is an oxidizing agent.
Reactants:
Products:
- H2
- 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.]
- CO2