Chapter summary
Redox Chemistry, at a glance
Track electrons through reactions, electrolysis and electricity-producing cells.
O-Level 6092 (2026) / SEC G3 K324 (2027)
Quick revision
Revisit the essentials, then return to an explanation when you need it.
| Term | Meaning |
|---|---|
| Oxidation | Electron loss; oxidation state rises |
| Reduction | Electron gain; oxidation state falls |
| Oxidising agent | Accepts electrons and is reduced |
| Reducing agent | Supplies electrons and is oxidised |
Pure only
Pure: list all ions, electrode material and concentration before predicting electrolysis products. At the cathode reduction occurs; at the anode oxidation occurs.