Experiment 14: Qualitative Analysis of Cations and Anions for AP Chemistry
For a quick review on stoichiometry, refer to the following concepts:
- General Aspects of Chemical Reactions and Equations for AP Chemistry
- General Properties of Aqueous Solutions for AP Chemistry
- Precipitation Reactions for AP Chemistry
- Oxidation–Reduction Reactions for AP Chemistry
- Coordination Compounds for AP Chemistry
- Acid–Base Reactions for AP Chemistry
Solutions containing various ions are tested for the presence of certain specified ions. The formation of colors, gases, or precipitates indicates the presence or absence of certain ions. (See the Reactions and Periodicity chapter.)
- evaporating dish
- mortar and pestle
- Pt or Ni test wire
This is primarily an observation experiment. No precise measurements are needed.
No calculations are required.
A wide variety of cations or anions may be used. Many of the results are a simple application of the solubility rules.
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