Post Utme Lead City University 2023 Chemistry Question 25

Practice objective / multiple choice question 25 from the 2023 Post Utme Lead City University Chemistry examination.

Post Utme Lead City University 2023 Chemistry Objective / Multiple Choice
Question 25 POST_UTME_LEAD_CITY_UNIVERSITY • 2023 • CHEMISTRY • objective

The reaction: 2NO(g) + O2(g) → 2NO2(g) has a rate cons\tant (k) of 1.5 × 10^\( -2 \) s^\( -1 \) at 298 K. If the activation energy (Ea) is 2.5 × 10^5 J/mol, what is the rate cons\tant (k) at 308 K?

Answer Options

A. 2.0 × 10^\( -2 \) s^\( -1 \)
Correct Answer B. 2.5 × 10^\( -2 \) s^\( -1 \)
C. 3.0 × 10^\( -2 \) s^\( -1 \)
D. 3.5 × 10^\( -2 \) s^\( -1 \)
Correct Answer
B
Correct Option:
2.5 × 10^\( -2 \) s^\( -1 \)

About This Question

This is Post Utme Lead City University 2023 Chemistry Question 25. It is one of the objective questions from the 2023 Post Utme Lead City University Chemistry examination.

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