Question detail
What is activation energy?
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. The energy needed to break bonds
- B. The minimum energy needed for particles to react
- C. The energy released duringa reaction
- D. The energy required to start a reaction
Answer
The minimum energy needed for particles to react
Explanation
The correct answer is The minimum energy needed for particles to react. This answer directly addresses the question: What is activation energy? 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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