Post Utme Covenant University 2024 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2024 Post Utme Covenant University Chemistry examination.

Post Utme Covenant University 2024 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_COVENANT_UNIVERSITY • 2024 • CHEMISTRY • objective

Determine the rate cons\tant (k) for the first-order reaction: A → B, given that the initial concentration of A is 0.1 M and the concentration of A after 10 minutes is 0.05 M. The rate cons\tant is related to the half-life \( t1/2 \) by the equation: k = ln(2) / t1/2.

Answer Options

Correct Answer A. 0.693 min^-1
B. 1.386 min^-1
C. 2.772 min^-1
D. 3.464 min^-1
Correct Answer
A
Correct Option:
0.693 min^-1

About This Question

This is Post Utme Covenant University 2024 Chemistry Question 21. It is one of the objective questions from the 2024 Post Utme Covenant University Chemistry examination.

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