Post Utme Lead City University 2023 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2023 Post Utme Lead City University Chemistry examination.

Post Utme Lead City University 2023 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_LEAD_CITY_UNIVERSITY • 2023 • CHEMISTRY • objective

Determine the rate cons\tant (k) for the reaction: 2NO(g) + O2(g) → 2NO2(g) at 298 K, given that the rate cons\tant at 298 K is 1.5 × 10^\( -2 \) s^\( -1 \) and the activation energy (Ea) is 2.5 × 10^5 J/mol.

Answer Options

A. 1.2 × 10^\( -2 \) s^\( -1 \)
Correct Answer B. 1.5 × 10^\( -2 \) s^\( -1 \)
C. 1.8 × 10^\( -2 \) s^\( -1 \)
D. 2.0 × 10^\( -2 \) s^\( -1 \)
Correct Answer
B
Correct Option:
1.5 × 10^\( -2 \) s^\( -1 \)

About This Question

This is Post Utme Lead City University 2023 Chemistry Question 21. It is one of the objective questions from the 2023 Post Utme Lead City University Chemistry examination.

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