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5.3 Equilibria

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Question 24
H

A reversible reaction between gases is carried out at different temperatures and pressures. At equilibrium, the percentage yield of product increases as temperature increases and decreases as pressure increases.

Which row is correct for this reaction?

[1]
A

Forward reaction: exothermic; molecules of gas: fewer on the product side

B

Forward reaction: exothermic; molecules of gas: more on the product side

C

Forward reaction: endothermic; molecules of gas: fewer on the product side

D

Forward reaction: endothermic; molecules of gas: more on the product side

Markscheme

5.3 Equilibria Questions

  1. GCSE
  2. /Chemistry
  3. /5.3 Equilibria

124 exam-style questions on OCR GCSE Chemistry 5.3 Equilibria, covering 5.3.1 Reversible reactions and dynamic equilibrium and 5.3.2 Changing the position of equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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