Science Common Sense
1747 - What are the common half-reaction formulas for oxidizing and reducing agents?
When dealing with half-reactions in chemistry, we need to remember the following common formulas for oxidizing and reducing agents:
- Oxidizing Agents:
- O2 + 4H+ + 4e- → 2H2O
- MnO4- + 8H+ + 5e- → Mn2+ + 4H2O
- Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O
NO3- + 4H+ + 3e- → NO + 2H2O
Reducing Agents:
- Zn → Zn2+ + 2e-
- Mg → Mg2+ + 2e-
- Fe2+ → Fe3+ + 1e-
- H2 → 2H+ + 2e-