Post Utme Eksu 2021 Chemistry Question 31

Practice objective / multiple choice question 31 from the 2021 Post Utme Eksu Chemistry examination.

Post Utme Eksu 2021 Chemistry Objective / Multiple Choice
Question 31 POST_UTME_EKSU • 2021 • 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
B. 0.001 min^-1
Correct Answer C. 0.005 min^-1
D. 0.01 min^-1
Correct Answer
C
Correct Option:
0.005 min^-1

About This Question

This is Post Utme Eksu 2021 Chemistry Question 31. It is one of the objective questions from the 2021 Post Utme Eksu Chemistry examination.

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