Post Utme Unilag 2022 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2022 Post Utme Unilag Chemistry examination.

Post Utme Unilag 2022 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_UNILAG • 2022 • CHEMISTRY • objective

The rate cons\tant (k) of 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 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
A
Correct Option:
0.0693 min^\( -1 \)

About This Question

This is Post Utme Unilag 2022 Chemistry Question 11. It is one of the objective questions from the 2022 Post Utme Unilag Chemistry examination.

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