Exam-style question
Try this first
A chemist observes that a reaction involving a solid reactant proceeds more quickly when the solid is finely divided. Which principle explains this observation?.
- A.collision theory – higher collision frequency due to increased surface area.
- B.Activation energy – lower activation energy for finely divided solids.
- C.catalyst effect – the fine particles act as catalysts.
- D.Temperature effect – finely divided solids are hotter.
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.