Question 29
Rates of ReactionThe rate of a reaction usually decreases with a decrease in the concentration of reactants because
- A.kinetic energy decreases
- B.temperature increases
- C.speed increases
- D.reactants collision decreases.
Show the answer and explanation
Answer: D (reactants collision decreases.)
Explanation
With fewer reactant particles in a given volume, they collide less often, so the reaction slows down.