A process controlled by Distributive law is__________________?
Correct answer: C. Solvent extraction
- A. Crystallization
- B. Sublimation
- C. Solvent extraction
- D. Filtration
Explanation
Solvent extraction is governed by the distribution law: at equilibrium, a solute distributes between two immiscible solvents in a constant concentration ratio at a fixed temperature. This difference in distribution allows the solute to be transferred preferentially into one solvent. Students may choose a because crystallization also separates substances, but it is not controlled by distribution between two immiscible phases.
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About Properties of Liquids
Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.
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