2 Mg + 6 H3PO4 → 2 Mg(PO4)3 + 9 H2
This is an oxidation-reduction (redox) reaction:
6 PV - 14 e- → 6 P22/3 (oxidation)
18 HI + 18 e- → 18 H0 (reduction)
2 Mg0 - 4 e- → 2 MgII (oxidation)
H3PO4 is a reducing agent, H3PO4 is an oxidizing agent, Mg is a reducing agent.
Reactants:
- Mg
- H3PO4
Products: