A-LevelChemistryEquilibria9701/12 · Oct/Nov 2009 · Q161 Mark

When sulfur trioxide is manufactured from sulfur dioxide and oxygen, using the Contact process, which condition affects the value of the equilibrium constant, Kp?

Aadjusting the temperature

Badjusting the pressure

Cusing a catalyst

Dremoving SO3 from the equilibrium mixture

✓ Correct answer

A: adjusting the temperature

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Topic: Equilibria, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2009 Paper 1 Variant 2, question 16.

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