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Which types of chemical reactions can be used in titrations?
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chemical analysis
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In chemical analysis, titrations are classified based on the nature of the chemical reaction occurring between the sample and the titrant. The primary types of reactions used in these processes include:
- Acid-base titrations: These involve the reaction between an acid and a base.1
- Precipitation titrations: These rely on the formation of a precipitate, such as the determination of chloride content using silver nitrate.1
- Complex-formation titrations: These typically involve the reaction of metal ions with a reagent like EDTA to form a stable complex.1
- Oxidation-reduction (redox) titrations: These utilize oxidation-reduction reactions, where the titrant acts as either an oxidizing or a reducing agent.12
These reactions are monitored until the equivalence point is reached, often detected via visual indicators or electrical measurements such as potentiometric, conductometric, amperometric, or coulometric methods.1