Na2S2O3 (aq) + 4 I2 (s) + 10 NaOH (aq) → 8 NaI (aq) + 2 Na2SO4 (aq) + 5 H2O (l)
This is an oxidation-reduction (redox) reaction:
2 SII - 8 e- → 2 SVI (oxidation)
8 I0 + 8 e- → 8 I-I (reduction)
Na2S2O3 is a reducing agent, I2 is an oxidizing agent.
This is an oxidation-reduction (redox) reaction:
2 SII - 8 e- → 2 SVI (oxidation)
8 I0 + 8 e- → 8 I-I (reduction)
Na2S2O3 is a reducing agent, I2 is an oxidizing agent.
Reactants:
Products: