Post Utme Eksu 2025 Chemistry Question 23

Practice objective / multiple choice question 23 from the 2025 Post Utme Eksu Chemistry examination.

Post Utme Eksu 2025 Chemistry Objective / Multiple Choice
Question 23 POST_UTME_EKSU • 2025 • CHEMISTRY • objective

The rate cons\tant (k) of a first-order reaction is given by the equation: ln\( [A]t/[A]0 \) = -kt. If the half-life of the reaction is 10 minutes, calculate the rate cons\tant (k) if the initial concentration of the reac\tant is 0.5 M.

Answer Options

Correct Answer A. 0.069 min⁻¹
B. 0.069 hr⁻¹
C. 0.069 s⁻¹
D. 0.069 d⁻¹
Correct Answer
A
Correct Option:
0.069 min⁻¹

About This Question

This is Post Utme Eksu 2025 Chemistry Question 23. It is one of the objective questions from the 2025 Post Utme Eksu Chemistry examination.

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