CrI3 + 32 K(OH) + 28 Cl → KCrO4 + 3 KIO4 + 28 KCl + 16 H2O
This is an oxidation-reduction (redox) reaction:
3 I-I - 24 e- → 3 IVII (oxidation)
28 Cl0 + 28 e- → 28 Cl-I (reduction)
CrIII - 4 e- → CrVII (oxidation)
CrI3 is a reducing agent, Cl is an oxidizing agent, CrI3 is a reducing agent.
Warning: Unknown compound 'Cl'