O-LevelChemistryRates of Reaction5070/11 · Oct/Nov 2022 · Q261 Mark

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?

Aadding more O2

Bincreasing the pressure

Cincreasing the temperature

Dremoving SO3 from the reacting mixture

✓ Correct answer

C: increasing the temperature

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 1, question 26.

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