Post Utme Crawford University 2025 Chemistry Question 31

Practice objective / multiple choice question 31 from the 2025 Post Utme Crawford University Chemistry examination.

Post Utme Crawford University 2025 Chemistry Objective / Multiple Choice
Question 31 POST_UTME_CRAWFORD_UNIVERSITY • 2025 • CHEMISTRY • objective

Determine the rate cons\tant (k) for the reaction: 2NO(g) + O2(g) → 2NO2(g) at 298 K, given that the initial concentrations of NO and O2 are 0.1 M and 0.2 M, respectively, and the rate of reaction is 0.05 M/s.

Answer Options

A. \( k = \frac{0.05}{[NO]^2[O_2]} \)
Correct Answer B. \( k = \frac{0.05}{[NO][O_2]} \)
C. \( k = \frac{0.05}{[NO]^2} \)
D. \( k = \frac{0.05}{[O_2]^2} \)
Correct Answer
B
Correct Option:
\( k = \frac{0.05}{[NO][O_2]} \)

About This Question

This is Post Utme Crawford University 2025 Chemistry Question 31. It is one of the objective questions from the 2025 Post Utme Crawford University Chemistry examination.

View More Post Utme Crawford University 2025 Chemistry Questions More Post Utme Crawford University Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support