Post Utme Abu 2022 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2022 Post Utme Abu Chemistry examination.

Post Utme Abu 2022 Chemistry Objective / Multiple Choice

Question 1 POST_UTME_ABU • 2022 • CHEMISTRY • objective

Determine the rate cons\tant (k) for the reaction: 2NO(g) + O2(g) → 2NO2(g) at 298 K, given that the initial concentrations of NO and O2 are 0.1 M and 0.2 M, respectively, and the rate cons\tant at 298 K is 1.5 × 10^\( -3 \) s^\( -1 \).

A. 1.8 × 10^\( -3 \) s^\( -1 \)

Correct Answer B. 2.1 × 10^\( -3 \) s^\( -1 \)

C. 1.2 × 10^\( -3 \) s^\( -1 \)

D. 2.5 × 10^\( -3 \) s^\( -1 \)

Correct Answer

Correct Option:

2.1 × 10^\( -3 \) s^\( -1 \)

This is Post Utme Abu 2022 Chemistry Question 1. It is one of the objective questions from the 2022 Post Utme Abu Chemistry examination.

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