3 Na2HAsO3 + KBrO3 + 6 HCl → 6 NaCl + KBr + 3 H3AsO4
This is an oxidation-reduction (redox) reaction:
BrV + 6 e- → Br-I (reduction)
3 AsIII - 6 e- → 3 AsV (oxidation)
KBrO3 is an oxidizing agent, Na2HAsO3 is a reducing agent.
Reactants:
- Na2HAsO3
- KBrO3 – Potassium bromate
- 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.]
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