Post Utme Elizade University 2021 Chemistry Question 26

Practice objective / multiple choice question 26 from the 2021 Post Utme Elizade University Chemistry examination.

Post Utme Elizade University 2021 Chemistry Objective / Multiple Choice
Question 26 POST_UTME_ELIZADE_UNIVERSITY • 2021 • CHEMISTRY • objective

In a study on the environmental impact of pesticides, a researcher finds that the concentration of a particular pesticide in a water sample follows the first-order kinetics equation: ln\( [A]t/[A]0 \) = -kt. If the initial concentration of the pesticide is 10 mg/L, and after 5 days, the concentration is 5 mg/L, what is the rate cons\tant (k) of the reaction?

Answer Options

A. 0.693
B. 0.693/5
C. 0.693/\( 5*10 \)
Correct Answer D. 0.693/\( 5*10*ln\( 2 \ \))
Correct Answer
D
Correct Option:
0.693/\( 5*10*ln\( 2 \ \))

About This Question

This is Post Utme Elizade University 2021 Chemistry Question 26. It is one of the objective questions from the 2021 Post Utme Elizade University Chemistry examination.

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