Common Ion effect is a useful application in?
Correct answer: A. Qualitative salt analysis
- A. Qualitative salt analysis
- B. Quantitative salt analysis
- C. None of the above
- D. Both A and B
Explanation
The common ion effect is an effect that suppresses the ionisation of an electrolyte when another electrolyte (which contains an ion which is also present in the first electrolyte, i.e. a common ion) is added. It is considered to be a consequence of Le Chatelier's principle (or the Equilibrium Law).Qualitative analysis of a salt Analysis is a chemical technique used to identify the ions present in a salt by analysing its physical and chemical properties and hence determine the identity of the salt. It determines only the presence or absence of a particular ion in a given salt. Common ion effect is a practical application of qualitative salt analysis in chemistry.
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About Chemical Equilibrium
Reversible reactions reach dynamic equilibrium when forward and reverse rates become equal, and Le Chatelier's principle predicts the effect of changing concentration, pressure or temperature. The chapter also covers solubility product, the common ion effect, buffer action and the conditions used in Haber's process, with equilibrium shifts distinguished from changes in the equilibrium constant.
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