5
QuizMultiple Choice

Reversible Reactions and Equilibrium

Question 5 • FL-2003350-Chemistry 1 Honors

Which statement correctly describes a reaction in dynamic equilibrium?

Answer
A
At dynamic equilibrium, the reactions stop and the amounts of reactants and products do not change.
B
At dynamic equilibrium, the reactions continue but the amounts of reactants and products do not change.
C
At dynamic equilibrium, the reactions stop but the amounts of reactants and products are changing.
D
At dynamic equilibrium, the reactions continue and the amounts of reactants and products are changing.

Explanation

At dynamic equilibrium, the forward and reverse reactions continue, but they occur at equal rates. Because the rates are equal, reactants and products are formed and used up at the same pace, so their amounts remain constant. This matches “the reactions continue but the amounts of reactants and products do not change.”

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