Post Utme Veritas University 2025 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2025 Post Utme Veritas University Chemistry examination.

Post Utme Veritas University 2025 Chemistry Objective / Multiple Choice
Question 10 POST_UTME_VERITAS_UNIVERSITY • 2025 • CHEMISTRY • objective

The rate cons\tant (k) of a first-order reaction is given by the equation: k = 2.303 / t \log10 \( A0 / A \). If the initial concentration (A0) of a reac\tant is 1.0 M and the concentration (A) after a certain time (t) is 0.5 M, what is the rate cons\tant (k)?

Answer Options

A. 0.1 min^\( -1 \)
B. 0.5 min^\( -1 \)
Correct Answer C. 1.0 min^\( -1 \)
D. 2.0 min^\( -1 \)
Correct Answer
C
Correct Option:
1.0 min^\( -1 \)

About This Question

This is Post Utme Veritas University 2025 Chemistry Question 10. It is one of the objective questions from the 2025 Post Utme Veritas University Chemistry examination.

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