2 SiO2 + 2 BrF3 → 2 SiF3 + Br2 + 2 O2
This is an oxidation-reduction (redox) reaction:
2 BrIII + 6 e- → 2 Br0 (reduction)
2 SiIV + 2 e- → 2 SiIII (reduction)
4 O-II - 8 e- → 4 O0 (oxidation)
BrF3 is an oxidizing agent, SiO2 is an oxidizing agent, SiO2 is a reducing agent.
Reactants:
Products:
- SiF3
- Br2
- O2