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6.3 Dynamic equilibria

6.3 Dynamic equilibria

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Question 16

The industrial synthesis of phosgene (COCl2\text{COCl}_2COCl2​) from carbon monoxide and chlorine is a reversible reaction:

CO(g)+Cl2(g)⇌COCl2(g) \text{CO(g)} + \text{Cl}_2\text{(g)} \rightleftharpoons \text{COCl}_2\text{(g)} CO(g)+Cl2​(g)⇌COCl2​(g)

The process is typically carried out at a pressure of 5 atmospheres.

Explain the effect that a pressure lower than 5 atmospheres would have on:

a.

the rate of attainment of equilibrium

[2]
b.

the equilibrium yield of phosgene

[2]
Markscheme

6.3 Dynamic equilibria Questions

  1. GCSE
  2. /Chemistry
  3. /6.3 Dynamic equilibria

60 exam-style questions on Edexcel GCSE Chemistry 6.3 Dynamic equilibria, covering 6.3.1 The Haber process as a reversible reaction, 6.3.2 Conditions and rate in industrial equilibria, and 6.3.3 Fertilisers and the preparation of ammonium sulfate. Each one has a worked solution and a mark scheme showing where the marks go.

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