Question detail
What is the main reason that increasing gas pressure increases 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 increases the temperature of the gas
- B. It increases the volume of the gas
- C. It increases the frequency of collisions between particles
- D. It decreases the number of particles in the gas
Answer
It increases the frequency of collisions between particles
Explanation
The correct answer is It increases the frequency of collisions between particles. This answer directly addresses the question: What is the main reason that increasing gas pressure increases 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 gas pressure has no effect on reaction rate.
Explain that increasing gas pressure reduces the volume available for gas molecules, leading to more frequent collisions and a faster reaction rate.
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