Post Utme Noun 2025 Chemistry Question 2

Practice objective / multiple choice question 2 from the 2025 Post Utme Noun Chemistry examination.

Post Utme Noun 2025 Chemistry Objective / Multiple Choice

Question 2 POST_UTME_NOUN • 2025 • CHEMISTRY • objective

The rate cons\tant (k) of a first-order reaction is given by the equation k = Ae^\( -Ea/RT \). If the activation energy (Ea) is 100 kJ/mol, the gas cons\tant (R) is 8.314 J/mol*K, and the temperature (T) is 300 K, what is the value of the rate cons\tant (k)?

Correct Answer A. 1.0 x 10^\( -4 \) s^\( -1 \)

B. 1.0 x 10^\( -3 \) s^\( -1 \)

C. 1.0 x 10^\( -2 \) s^\( -1 \)

D. 1.0 x 10^\( -1 \) s^\( -1 \)

Correct Answer

Correct Option:

1.0 x 10^\( -4 \) s^\( -1 \)

This is Post Utme Noun 2025 Chemistry Question 2. It is one of the objective questions from the 2025 Post Utme Noun Chemistry examination.

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support