A-LevelChemistryEquilibriaFeb/Mar 2025Paper 1 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
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The correct answer is C. This question tests the candidate's understanding of equilibria within the Chemistrysyllabus. The examiner's mark scheme requires...
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