A-LevelChemistryEquilibria9701/12 · Oct/Nov 2009 · Q321 Mark

Which equilibria, in which all species are gaseous, would have equilibrium constants, Kp, with no units? 1 sulfur dioxide and oxygen in equilibrium with sulfur trioxide 2 hydrogen and iodine in equilibrium with hydrogen iodide 3 carbon monoxide and steam in equilibrium with carbon dioxide and hydrogen

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

C: 2 and 3 only are correct

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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 32.

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