3 Na2 + 5 S2O3 + 6 HCl → 4 S + 6 SO2NaCl + 3 H2O
This is an oxidation-reduction (redox) reaction:
6 Na0 - 6 e- → 6 NaI (oxidation)
4 SIII + 12 e- → 4 S0 (reduction)
6 SIII - 6 e- → 6 SIV (oxidation)
Na2 is a reducing agent, S2O3 is an oxidizing agent, S2O3 is a reducing agent.
Reactants:
- Na2
- S2O3
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
Products:
Warning: Unknown compound 'Na2'