A-LevelChemistryEquilibria9701/12 · Oct/Nov 2011 · Q121 Mark

For the reaction W(aq) + 2X(aq) ⇌ 2Y(aq) + 3Z(aq) what are the correct units for the equilibrium constant Kc?

Amol dm⁻³

Bmol² dm⁻⁶

Cmol⁻¹ dm³

Dmol⁻² dm⁶

✓ Correct answer

B: mol² dm⁻⁶

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Topic: Equilibria, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 2, question 12.

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