Waec Model Questions Vol1 2021 Chemistry Question 24

Practice objective / multiple choice question 24 from the 2021 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2021 Chemistry Objective / Multiple Choice Hard Difficulty
Question 24 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • objective

Equal masses of ethanol (C₂H₅OH) and 1‑propanol (C₃H₇OH) are each reacted separately with excess sodium metal in dry ether. The hydrogen gas liberated is collected over water at 25 °C and 1 atm total pressure. The volume of H₂ obtained from the ethanol reaction is 0.560 L, while that from the 1‑propanol reaction is 0.420 L. Determine the common mass of alcohol used in each experiment (to two significant figures).

Answer Options

A. 2.5 g
Correct Answer B. 2.0 g
C. 1.5 g
D. 3.0 g
Correct Answer
B
Correct Option:
2.0 g

About This Question

This is Waec Model Questions Vol1 2021 Chemistry Question 24. It is a objective / multiple choice question from the 2021 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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