Chemistry · Oct / Nov 2021 · Paper 12 · Question 21
5070Reversible reactions and equilibrium
Which statement is correct for all reversible reactions that have reached dynamic equilibrium?
- AIntroduction of a catalyst changes the position of the equilibrium.
- BThe number of moles of products equals the number of moles of reactants.
- CThe rate of the forward reaction equals the rate of the reverse reaction.
- DWhen the reaction reaches the position of equilibrium the reaction stops.
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Correct answer: C. The rate of the forward reaction equals the rate of the reverse reaction.
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