Post Utme Eksu 2019 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2019 Post Utme Eksu Chemistry examination.

Post Utme Eksu 2019 Chemistry Objective / Multiple Choice

Question 20 POST_UTME_EKSU • 2019 • CHEMISTRY • objective

The reaction: 2NO(g) + O2(g) → 2NO2(g) has a rate cons\tant (k) of 2.50 × 10^\( -3 \) s^\( -1 \) at 298 K. What is the half-life \( t1/2 \) for the reaction?

Correct Answer A. 1.00 × 10^\( -2 \) s

B. 1.00 × 10^\( -3 \) s

C. 1.00 × 10^\( -4 \) s

D. 1.00 × 10^\( -5 \) s

Correct Answer

Correct Option:

1.00 × 10^\( -2 \) s

This is Post Utme Eksu 2019 Chemistry Question 20. It is one of the objective questions from the 2019 Post Utme Eksu Chemistry examination.

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