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A-LevelChemistryEquilibria9701/12 · Feb/Mar 2025 · Q61 Mark

When an organic acid reacts with an alcohol, a reversible reaction takes place producing an ester and water. 0.40 mol of an organic acid and 0.30 mol of an alcohol are mixed and allowed to stand at 25°C until equilibrium is reached. At equilibrium, 0.20 mol of ester is produced. What is the value of the equilibrium constant, Kc, under the conditions used?

A0.33
B0.50
C2.0
D10

✓ Correct answer

C: 2.0

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About this question

Topic
Equilibria, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Feb/Mar 2025 Paper 1 Variant 2, question 6.

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