Chemistry 0620 · IGCSE · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

The reaction equation for making ethanol is shown below. $\text{C}_2\text{H}_4(g) + \text{H}_2\text{O}(g) \rightleftharpoons \text{C}_2\text{H}_5\text{OH}(g)$ How does doubling the pressure affect this reaction?

  • Adecreases the rate of formation of ethanol
  • Bincreases the yield of ethene
  • Cdecreases the rate of formation of ethene
  • Dincreases the yield of ethanol

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