The distribution coefficient is related to:______________?
Correct answer: A. Separating factors
- A. Separating factors
- B. decreasing factors
- C. Colouring factors
- D. retardation factors
Explanation
The distribution coefficient is the ratio of a solute's concentration in two phases at equilibrium, and differences in this ratio allow substances to be separated. Thus it is associated with separation factors in extraction and chromatography. The likely wrong choice is retardation factors because distribution can affect movement through a medium, but retardation is a separate transport concept and the wording is not standard.
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About Rate of Reaction
Reaction rate measures the change in concentration of a reactant or product per unit time. Questions connect rate with concentration, temperature, pressure, surface area, catalysts and nature of reactants, and may involve rate laws, reaction order, activation energy and collision theory. Rate describes speed, whereas equilibrium describes the final balance of opposing reactions.
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