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Question 6

Hydrogen is produced industrially by the steam reforming of methane in a sealed container according to the following reversible reaction:

CH4(g)+H2O(g)⇌CO(g)+3H2(g)ΔH=+206 kJ mol−1 \text{CH}_4\text{(g)} + \text{H}_2\text{O(g)} \rightleftharpoons \text{CO(g)} + 3\text{H}_2\text{(g)} \quad \Delta H = +206\text{ kJ mol}^{-1} CH4​(g)+H2​O(g)⇌CO(g)+3H2​(g)ΔH=+206 kJ mol−1

Which of the following combinations of changes would shift the position of equilibrium to the right?

A

Increasing the pressure and decreasing the temperature.

B

Decreasing the pressure and decreasing the temperature.

C

Decreasing the pressure and increasing the temperature.

D

Increasing the pressure and using a catalyst.

Markscheme

Equilibria Questions

  1. GCSE
  2. /Chemistry
  3. /Equilibria

25 exam-style questions on OCR GCSE Chemistry Equilibria. Each one has a worked solution and a mark scheme showing where the marks go.

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