3 PH3 + 4 HClO3 → 3 H3PO4 + 4 HCl
This is an oxidation-reduction (redox) reaction:
3 P-III - 24 e- → 3 PV (oxidation)
4 ClV + 24 e- → 4 Cl-I (reduction)
PH3 is a reducing agent, HClO3 is an oxidizing agent.
Reactants:
Products:
- H3PO4
- 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.]