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Chemistry · Oct / Nov 2022 · Paper 12 · Question 26

5070Reversible reactions and equilibrium

The equation shows a reaction in the Contact process. 2SO2(g) + O2(g) ⇌ 2SO3(g) ΔH = –196 kJ / mol Which change would move the position of equilibrium to the left?

  1. Aadding more O2
  2. Bincreasing the pressure
  3. Cincreasing the temperature
  4. Dremoving SO3 from the reacting mixture

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Correct answer: C. increasing the temperature

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