Oxidation numbers, half-equations and redox equations in acidic conditions

What this note covers

1. Electron transfer, oxidation and reduction
2. Assigning oxidation numbers systematically
3. Building a half-equation in acidic conditions
4. Combining half-equations into the overall redox equation
5. Using oxidation numbers to identify agents and electron counts
6. Exam strategy and common equation checks

6 sections · 10 key terms & formulas · 6 common mistakes