Post Utme Osustech 2021 Chemistry Question 37

Practice objective / multiple choice question 37 from the 2021 Post Utme Osustech Chemistry examination.

Post Utme Osustech 2021 Chemistry Objective / Multiple Choice

Question 37 POST_UTME_OSUSTECH • 2021 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.0 years. If 100 g of the subs\tance initially decays to 50 g, what is the decay cons\tant (λ)?

Answer Options

A. 0.0142 yr^-1

Correct Answer B. 0.0284 yr^-1

C. 0.0426 yr^-1

D. 0.0568 yr^-1

Correct Answer

Correct Option:

0.0284 yr^-1

About This Question

This is Post Utme Osustech 2021 Chemistry Question 37. It is one of the objective questions from the 2021 Post Utme Osustech Chemistry examination.

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