CAIE IGCSE Chemistry 6.2.5 Collision Theory in Terms of a Questions
Explain how temperature, concentration and surface area affect particle energy, collision frequency and the number of successful collisions.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- distinguish concentration effects on collision frequency from temperature effects on particle energy
- explain that increasing temperature raises particle energy and successful-collision frequency
- identify conditions that produce the greatest frequency of effective collisions
- relate activation energy and collision energy to reaction rate
CAIE IGCSE Chemistry 6.2.5 Collision Theory in Terms of a Questions question 1
[Maximum number: 1]
Which change in conditions increases the energy of the particles in a reaction?
A
addition of a catalyst
B
increase in concentration
C
increase in surface area
D
increase in temperature
D
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