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6.1 Rate of reaction

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Question 22

Two gaseous reactants are sealed in a cylinder fitted with a movable piston.

Which change will make the product form more slowly?

[1]
A

Move the piston outwards, keeping the temperature constant.

B

Move the piston inwards, keeping the temperature constant.

C

Pump in more of both reactant gases, keeping the piston fixed.

D

Pump in more of one reactant gas, keeping the piston fixed.

Markscheme

6.1 Rate of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Rate of reaction

127 exam-style questions on AQA GCSE Chemistry 6.1 Rate of reaction, covering 6.1.1a Calculating rates of reactions, 6.1.1b Gradient of a tangent as rate, 6.1.2 Factors which affect the rates of chemical reactions, 6.1.3 Collision theory and activation energy, and 6.1.4 Catalysts. Each one has a worked solution and a mark scheme showing where the marks go.

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