Post Utme Uniben 2020 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2020 Post Utme Uniben Chemistry examination.

Post Utme Uniben 2020 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_UNIBEN • 2020 • CHEMISTRY • objective

Determine the rate cons\tant (k) for the reaction: 2NO(g) + O2(g) → 2NO2(g), given that the initial concentrations of NO and O2 are 0.1 M and 0.2 M, respectively, and the rate of disappearance of NO is 0.05 M/s after 10 minutes.

Answer Options

Correct Answer A. \( k = 0.05 , \text{M}^{-1} , \text{s}^{-1} \)
B. \( k = 0.1 , \text{M}^{-1} , \text{s}^{-1} \)
C. \( k = 0.2 , \text{M}^{-1} , \text{s}^{-1} \)
D. \( k = 0.05 , \text{M}^{-1} , \text{min}^{-1} \)
Correct Answer
A
Correct Option:
\( k = 0.05 , \text{M}^{-1} , \text{s}^{-1} \)

About This Question

This is Post Utme Uniben 2020 Chemistry Question 1. It is one of the objective questions from the 2020 Post Utme Uniben Chemistry examination.

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