Post Utme Uniosun 2021 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2021 Post Utme Uniosun Chemistry examination.

Post Utme Uniosun 2021 Chemistry Objective / Multiple Choice

Question 21 POST_UTME_UNIOSUN • 2021 • 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 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 Uniosun 2021 Chemistry Question 21. It is one of the objective questions from the 2021 Post Utme Uniosun Chemistry examination.

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