16 HCl + 6 KI + 2 BaCrO4 → 8 H2O + 3 I2 + 6 KCl + 2 CrCl3 + 2 BaCl2
This is an oxidation-reduction (redox) reaction:
6 I-I - 6 e- → 6 I0 (oxidation)
2 CrVI + 6 e- → 2 CrIII (reduction)
KI is a reducing agent, BaCrO4 is an oxidizing agent.
Reactants:
- 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.]
- KI
- BaCrO4
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