Waec Model Questions Vol1 2022 Chemistry Question 12

Practice objective / multiple choice question 12 from the 2022 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 12 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

A 3.0 L sealed container initially contains 0.25 mol of N₂(g) and 0.45 mol of NO₂(g) at 27 °C. The mixture is allowed to react completely according to 2 NO₂(g) → N₂(g) + O₂(g). After the reaction, the total pressure measured at 27 °C is 1.20 atm. Assuming ideal gas behaviour, calculate the partial pressure of O₂ in the final mixture.

Answer Options

A. 0.30 atm
Correct Answer B. 0.39 atm
C. 0.55 atm
D. 0.45 atm
Correct Answer
B
Correct Option:
0.39 atm

About This Question

This is Waec Model Questions Vol1 2022 Chemistry Question 12. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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