Chemistry › Section O · Other equilibria › Topic O.2
Lewis acids and bases
Some reactions behave like acid-base reactions even though no hydrogen ion moves. The Lewis model explains them by following electron pairs instead, and it opens the door to complex ions, the colourful metal compounds behind blood, photography and water analysis.
In this topic
- An acid with no hydrogen
- The Lewis definitions
- Proton transfer as a special case
- Recognising Lewis acids and bases
- Worked example: naming the acid and the base
- Complex ions
- The formation constant, Kf
- Worked example: how much silver stays free?
- Ligands competing for a metal
- Common mistakes to avoid
- Key takeaways
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