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6.1 Improving processes and products

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Question 33
H

Methanol is made industrially from carbon monoxide and hydrogen. The forward reaction is exothermic.

CO(g)+2H2(g)⇌CH3OH(g) \mathrm{CO(g) + 2H_{2}(g) \rightleftharpoons CH_{3}OH(g)} CO(g)+2H2​(g)⇌CH3​OH(g)

Which change would increase both the rate of reaction and the equilibrium yield of methanol?

[1]
A

Adding a catalyst

B

Decreasing the temperature

C

Increasing the pressure

D

Increasing the temperature

Markscheme

6.1 Improving processes and products Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Improving processes and products

136 exam-style questions on OCR GCSE Chemistry 6.1 Improving processes and products, covering 6.1.1 Extracting metals industrially and by electrolysis, 6.1.2 Life cycle assessment and recycling, 6.1.3 Biological methods of metal extraction, 6.1.4 The Haber process and the production of fertilisers, 6.1.5 Alloys and their uses, 6.1.6 Corrosion and its prevention, 6.1.7 Comparing and selecting materials, and 6.1.8 Industrial conditions, rate and position of equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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