Writing and Balancing Half-Equations and Full Redox Equations

What this note covers

1. What Is a Half-Equation and Why Use One?
2. Oxidation States: The Foundation of Half-Equation Writing
3. The Five-Step Method for Balancing Half-Equations in Acidic Conditions
4. Combining Half-Equations: Equalising Electron Transfer
5. Extended Example: Dichromate Oxidising Iodide in Acid
6. Identifying Oxidising and Reducing Agents
7. State Symbols, Ionic Notation, and Exam Conventions

7 sections · 14 key terms & formulas · 6 common mistakes