Question detail
What effect does increasing the pressure of reacting gases have on the rate of reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Rate of reaction
Question
- A. It decreases the rate of reaction
- B. It has no effect on the rate of reaction
- C. It increases the rate of reaction
- D. It only affects solid reactants
Answer
It increases the rate of reaction
Explanation
The correct answer is It increases the rate of reaction. This answer directly addresses the question: What effect does increasing the pressure of reacting gases have on the rate of reaction? It matches the approved Chemistry 8462 learning objective and the linked subtopic. The other options are incorrect because they either change the rate, catalyst, reversible reaction, equilibrium, or graph context, or they do not answer the exact point being tested.
Common mistake
Misunderstanding Pressure Effects
Students often think that increasing pressure will always increase the rate of reaction without considering the specific reaction conditions.
Emphasize that increasing pressure increases the concentration of gas molecules, leading to more frequent collisions, which generally increases the reaction rate.
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