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12 HCl (aq) + 4 KMnO4 (aq) + 5 As2O3 (s) → 6 H2O (l) + 4 KCl (aq) + 4 MnCl2 (aq) + 5 As2O5 (aq)

Home/ Chemical Reactions-Equations / 12 HCl (aq) + 4 KMnO4 (aq) + 5 As2O3 (s) → 6 H2O (l) + 4 KCl (aq) + 4 MnCl2 (aq) + 5 As2O5 (aq)

12 HCl (aq) + 4 KMnO4 (aq) + 5 As2O3 (s) → 6 H2O (l) + 4 KCl (aq) + 4 MnCl2 (aq) + 5 As2O5 (aq)

12 HCl (aq) + 4 KMnO₄ (aq) + 5 As₂O₃ (s) → 6 H₂O (l) + 4 KCl (aq) + 4 MnCl₂ (aq) + 5 As₂O₅ (aq)

This is an oxidation-reduction (redox) reaction:

4 Mn^VII + 20 e^– → 4 Mn^II (reduction)

10 As^III – 20 e^– → 10 As^V (oxidation)

KMnO₄ is an oxidizing agent, As₂O₃ is a reducing agent.