At equilibrium in a reversible reaction:
Correct answer: D. The concentration of reactants & products becomes constant and rate of forward reaction is same as the rate of backward reaction
- A. The rate of forward > reaction rate of backward
- B. The rate of backward reaction > rate of forward reaction
- C. The rate of forward reaction is same as rate of backward reaction
- D. The concentration of reactants & products becomes constant and rate of forward reaction is same as the rate of backward reaction
- E. The concentration of reactant & products becomes constant
Explanation
At equilibrium in a reversible reaction: The concentration of reactants and products becomes constant, and the rate of the forward reaction is the same as the rate of the backward reaction, thus option D is correct.
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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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