Post Utme Pan Atlantic University 2024 Chemistry Question 21

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

Post Utme Pan Atlantic University 2024 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_PAN-ATLANTIC_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. 0.693 hr^-1
C. 0.693 s^-1
D. 0.693 d^-1
Correct Answer
A
Correct Option:
0.693 min^-1

About This Question

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

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