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8.1 Rates of reaction

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Question 16
F

What does a catalyst do to the activation energy?

[1]
A

Raises it, so fewer collisions have enough energy

B

Provides an alternative pathway with lower activation energy

C

Lowers it by giving the reactant particles extra kinetic energy

D

Changes it by lowering the energy of the products

Markscheme

8.1 Rates of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Rates of reaction

54 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.

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