Post Utme Lautech 2023 Chemistry Question 1

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

Post Utme Lautech 2023 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_LAUTECH • 2023 • CHEMISTRY • objective

The rate cons\tant (k) of a first-order reaction is given by the equation: k = 2.303/t \log10\( A0/A \). If the initial concentration of a reac\tant is 0.1 M and the concentration after 10 minutes is 0.05 M, calculate the rate cons\tant (k) in min^-1.

Answer Options

A. 0.0005 min^-1
Correct Answer B. 0.001 min^-1
C. 0.005 min^-1
D. 0.01 min^-1
Correct Answer
B
Correct Option:
0.001 min^-1

About This Question

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

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