LEO → Loses electrons = Oxidation
GER → Gain electrons = Reduction
Separating the half-reactions:
Inspecting the Oxidation state of Co and O
Reactant: O2 → elemental state → OS = 0
Separate this redox reaction into its component half-reactions.
3O2 + 4Co → 2Co2O3
Use the symbol e- for an electron.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Redox Reaction concept. You can view video lessons to learn Redox Reaction. Or if you need more Redox Reaction practice, you can also practice Redox Reaction practice problems.