Post Utme Noun 2022 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2022 Post Utme Noun Chemistry examination.

Post Utme Noun 2022 Chemistry Objective / Multiple Choice

Question 1 POST_UTME_NOUN • 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: \( k = \frac{ln{2}}{t_{1/2}} \). If the half-life of a reaction is 20 minutes, what is the value of k?

Correct Answer A. 0.0347 min^\( -1 \)

B. 0.0357 min^\( -1 \)

C. 0.0367 min^\( -1 \)

D. 0.0377 min^\( -1 \)

Correct Answer

Correct Option:

0.0347 min^\( -1 \)

This is Post Utme Noun 2022 Chemistry Question 1. It is one of the objective questions from the 2022 Post Utme Noun Chemistry examination.

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