Conditions for Ionic Reactions to Occur (Formation of Precipitate)
One condition for an ionic reaction to occur is the formation of an insoluble substance (precipitate). The criterion: when the ion product Q c > K(sp), a preci…
Syllabus path: Properties of Substances and Reactions › Properties of Common Inorganic Substances › Salts
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CSCA Chemistry Formula Reference
Formula and explanation
One condition for an ionic reaction to occur is the formation of an insoluble substance (precipitate). The criterion: when the ion product Q c > K(sp), a precipitate forms. For example, mixing AgNO₃ and NaCl solutions: Ag⁺ + Cl⁻ ightarrow AgCl, because the K(sp) of AgCl is very small.
Related tutorial and examples
Salts
Salts 1. Core Definitions & Classification System In the CSCA exam, salts are more than just "table salt." You need to master their broad definitions and classifications, especially the properties of Acid Salts, which is a difficult point. Definition: Compounds composed of metal …
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