A-LevelChemistryEquilibria9701/12 · Feb/Mar 2023 · Q51 Mark

A reversible reaction is shown. 2NOCl(g) ⇌ 2NO(g) + Cl2(g) ∆H = +77.0 kJ mol⁻¹ Which change in conditions will move the position of equilibrium to the right and increase the value of the equilibrium constant?

Adecrease in pressure

Bdecrease in temperature

Can increase in pressure

Dan increase in temperature

✓ Correct answer

D: an increase in temperature

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Topic: Equilibria, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2023 Paper 1 Variant 2, question 5.

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