Post Utme Unn 2019 Chemistry Question 32

Practice objective / multiple choice question 32 from the 2019 Post Utme Unn Chemistry examination.

Post Utme Unn 2019 Chemistry Objective / Multiple Choice

Question 32 POST_UTME_UNN • 2019 • CHEMISTRY • objective

The rate of reaction between hydrogen peroxide and potassium iodide is given by the equation: rate = k[HI]^2[H2O2]. If the rate of reaction is 0.025 M/s when [HI] = 0.1 M and [H2O2] = 0.05 M, calculate the value of k.

A. 0.05 M^-1 s^-1

Correct Answer B. 0.1 M^-1 s^-1

C. 0.2 M^-1 s^-1

D. 0.5 M^-1 s^-1

Correct Answer

Correct Option:

0.1 M^-1 s^-1

This is Post Utme Unn 2019 Chemistry Question 32. It is one of the objective questions from the 2019 Post Utme Unn Chemistry examination.

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