Question detail
How does increasing temperature affect the rate of a chemical 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 collision frequency
- B. It increases the speed of particles
- C. It reduces the energy of particles
- D. It decreases the number of collisions
Answer
It increases the speed of particles
Explanation
The correct answer is It increases the speed of particles. This answer directly addresses the question: How does increasing temperature affect the rate of a chemical 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 Collision Theory
Students often think that all particle collisions result in a chemical reaction, not realizing that only certain collisions lead to reactions.
Emphasize that for a reaction to occur, particles must collide with sufficient energy and the correct orientation.
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