Post Utme Delsu 2018 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2018 Post Utme Delsu Chemistry examination.

Post Utme Delsu 2018 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_DELSU • 2018 • CHEMISTRY • objective

Determine the rate cons\tant (k) for the reaction: 2NO(g) + O2(g) → 2NO2(g), given that the initial concentrations of NO and O2 are 0.1 M and 0.05 M, respectively, and the rate of disappearance of NO is 2.5 × 10^\( -3 \) M/s.

Answer Options

A. \( 2.5 \times 10^3 \) M^\( -1 \)s^\( -1 \)
Correct Answer B. \( 5.0 \times 10^3 \) M^\( -1 \)s^\( -1 \)
C. \( 1.0 \times 10^4 \) M^\( -1 \)s^\( -1 \)
D. \( 2.0 \times 10^4 \) M^\( -1 \)s^\( -1 \)
Correct Answer
B
Correct Option:
\( 5.0 \times 10^3 \) M^\( -1 \)s^\( -1 \)

About This Question

This is Post Utme Delsu 2018 Chemistry Question 1. It is one of the objective questions from the 2018 Post Utme Delsu Chemistry examination.

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