Post Utme Al Hikmah University 2025 Chemistry Question 25

Practice objective / multiple choice question 25 from the 2025 Post Utme Al Hikmah University Chemistry examination.

Post Utme Al Hikmah University 2025 Chemistry Objective / Multiple Choice

Question 25 POST_UTME_AL-HIKMAH_UNIVERSITY • 2025 • CHEMISTRY • objective

The rate cons\tant (k) for a first-order reaction is related to the half-life \( t_\( 1/2 \ \)) by the equation: k = ln(2) / t_\( 1/2 \). If the half-life of a certain reaction is 10 minutes, what is the rate cons\tant (k) in min^\( -1 \)?

Answer Options

Correct Answer A. 0.0693 min^\( -1 \)

B. 0.693 min^\( -1 \)

C. 6.93 min^\( -1 \)

D. 69.3 min^\( -1 \)

Correct Answer

Correct Option:

0.0693 min^\( -1 \)

About This Question

This is Post Utme Al Hikmah University 2025 Chemistry Question 25. It is one of the objective questions from the 2025 Post Utme Al Hikmah University Chemistry examination.

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