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infoWhy this? Aqueous ion reactions show how acid–base behaviour, ligand exchange, precipitation, and redox processes produce observable changes. Interpreting these changes develops a systematic approach to identifying ions and explaining the behaviour of dissolved metal compounds.

scheduleWhy now? Transition metal complexes, acids and bases, equilibrium, and redox have now been established, allowing us to explain aqueous reactions using several complementary models. This unit consolidates those ideas through chemical observations and qualitative analysis.