Chemistry 0620 · IGCSE · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

Methanol is made by the reversible reaction below. $\text{CO}(g) + 2\text{H}_2(g) \rightleftharpoons \text{CH}_3\text{OH}(g)$ The forward reaction is exothermic. Which conditions lead to the greatest equilibrium yield of methanol?

  • Ahigh temperature; high pressure
  • Bhigh temperature; low pressure
  • Clow temperature; high pressure
  • Dlow temperature; low pressure

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