Rates of ReactionHigh Exam FrequencyAQA

Rates & Collision Theory

Revise Rates & Collision Theory in Rates of Reaction for GCSE Chemistry with 20 exam-style questions and 16 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.

Sample Flashcards

What is rate of reaction?
How quickly reactants are used up or products are formed
What are the units for rate?
g/s, cm³/s, or mol/s

Sample Questions

According to collision theory, which of the following must happen for a chemical reaction to take place?

  • A. Particles must dissolve in water
  • B. Particles must collide with sufficient energy
  • C. Particles must be heated to 100 degrees C
  • D. Particles must be in the liquid state
1 markfoundation

Explain, using collision theory, why increasing the concentration of a reactant solution increases the rate of reaction.

2 marksstandard

20

exam-style questions

16

revision flashcards

Ready to revise Rates & Collision Theory?

Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.

Join Alpha