Post Utme Madonna University 2023 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2023 Post Utme Madonna University Chemistry examination.

Post Utme Madonna University 2023 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_MADONNA_UNIVERSITY • 2023 • 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.

Answer Options

A. \( k = \frac{2.303}{t} \log \frac{[A]_0}{[A]_t} \)
B. \( k = \frac{[A]_t - [A]_0}{t} \)
Correct Answer C. \( k = \frac{2.303}{t} \log \frac{[A]_t}{[A]_0} \)
D. \( k = \frac{[A]_t + [A]_0}{t} \)
Correct Answer
C
Correct Option:
\( k = \frac{2.303}{t} \log \frac{[A]_t}{[A]_0} \)

About This Question

This is Post Utme Madonna University 2023 Chemistry Question 1. It is one of the objective questions from the 2023 Post Utme Madonna University Chemistry examination.

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