As₂O₃ + 2 ClO^- + 6 OH^- → 2 AsO₄^3- + 2 (Cl)^- + 3 H₂O

This is an oxidation-reduction (redox) reaction:

As₂O₃ is a reducing agent, ClO^- is an oxidizing agent.

Reactants:

• As₂O₃ – Diarsenic trioxide
  • Other names: Arsenic trioxide , Arsenic(III) oxide , Arsenic sesquioxide ... show moreArseneous oxide , Ratsbane , Arseneous anhydride , White arsenic , Aqua Tofani , Arsenious Trioxide , Arsentrioxide , Arseni Trioxydum , Arsenious Acid Anhydride , Arsenic Oxidearsenous Trioxide , Arsenious Acid , Anhydride Arsenieux , Arsenolite , Arsenous oxide , Diarsenic oxide , Arsenic oxide , Arsenous oxide anhydride , Acide Arsenieux , Arsenigen Saure , Arsenic Blanc , As₂O₃ , Arsenic(III)oxide , Arsenous acid anhydride show less
  • Appearance: White solid ; White lumps or crystalline powder
• ClO^-
• OH^- – Hydroxide
  • Other names: Hydroxide ion

Products:

• AsO₄^3-
• Cl^-
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas