9
QuizMultiple Choice

Reversible Reactions and Equilibrium — Quiz

Question 9 • Chemistry

Which statement correctly defines dynamic equilibrium ?

Answer
A
At dynamic equilibrium, the concentrations of reactants and products are equal.
B
At dynamic equilibrium, the rates of forward and reverse reactions are equal.
C
At dynamic equilibrium, the forward and reverse reactions stop.
D
At dynamic equilibrium, the rate of the forward reaction is higher than the rate of the reverse reaction.

Explanation

Dynamic equilibrium occurs when the forward and reverse reactions continue, but happen at equal rates. This means the concentrations of reactants and products remain constant over time, though they do not have to be equal. Therefore, the correct choice is “the rates of forward and reverse reactions are equal.”

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