Igcse Model Questions Vol1 2018 Chemistry Question 22

Practice objective / multiple choice question 22 from the 2018 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Hard Difficulty
Question 22 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

In a sealed 1.0 L reactor at 60 °C, 0.500 mol of ethanol reacts with 0.500 mol of acetic acid to form ethyl acetate and water. The equilibrium constant for the esterification reaction at this temperature is \(K_c = 4.0\). (i) Calculate the maximum mass of ethyl acetate (C₄H₈O₂) that can be present at equilibrium. (ii) If 25.0 g of ethyl acetate are actually isolated, determine the percentage yield.

Answer Options

A. 27.0 g; 92 %
B. 24.5 g; 65 %
C. 31.2 g; 78 %
Correct Answer D. 29.4 g; 85 %
Correct Answer
D
Correct Option:
29.4 g; 85 %

About This Question

This is Igcse Model Questions Vol1 2018 Chemistry Question 22. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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