The change in concentration of reactant or product per unit time is called:
Correct answer: B. Rate of reaction
- A. Rate constant
- B. Rate of reaction
- C. Rate equation
- D. Rate law
- E. Both A & D
Explanation
The rate of reaction measures how fast reactants are consumed or products are formed. It is defined as the change in concentration per unit time.Thus, option B is the correct definition.
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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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