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6.2 Reversible reactions and dynamic equilibrium

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Question 37

Carbon dioxide and hydrogen react reversibly to form carbon monoxide and steam. The forward reaction is endothermic. The reaction is carried out at either 600 °C or 750 °C, with all other conditions unchanged. The equilibrium yields of carbon monoxide are 52% and 37%, listed in no particular order. The relative reaction rates are 1.0 and 1.8, also listed in no particular order.

What are the equilibrium yield of carbon monoxide and the relative reaction rate at 600 °C?

[1]
A

52% equilibrium yield and a relative reaction rate of 1.0

B

37% equilibrium yield and a relative reaction rate of 1.8

C

37% equilibrium yield and a relative reaction rate of 1.0

D

52% equilibrium yield and a relative reaction rate of 1.8

Markscheme

6.2 Reversible reactions and dynamic equilibrium Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Reversible reactions and dynamic equilibrium

109 exam-style questions on AQA GCSE Chemistry 6.2 Reversible reactions and dynamic equilibrium, covering 6.2.1 Reversible reactions, 6.2.2 Energy changes and reversible reactions, 6.2.3 Equilibrium, 6.2.4 The effect of changing conditions on equilibrium, 6.2.5 The effect of changing concentration, 6.2.6 The effect of temperature changes on equilibrium, and 6.2.7 The effect of pressure changes on equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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