Chemistry › Section D · Stoichiometry of reactions › Topic D.2
Classifying chemical reactions
Millions of known reactions fall into a handful of families. Once you can tell whether ions are forming a solid, a hydrogen ion is changing hands, or electrons are moving, you can predict products and write equations that show what really happens.
In this topic
- Two ways to sort reactions
- Combination, decomposition, replacement and combustion
- Precipitation and the solubility rules
- Net ionic equations
- Worked example: will a precipitate form?
- Acids, bases and neutralisation
- Oxidation numbers
- Redox: oxidation and reduction together
- Worked example: spotting redox
- Worked example: balancing with half-reactions
- Common mistakes to avoid
- Key takeaways
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