JEE Main 2019 Chemistry question

ChemistryChemical KineticsJEE Main 2019

Decomposition of X exhibits a rate constant of 0.05 μg/year. How many years are required for the decomposition of 5 μg of X into 2.5 μg?

Answer: (A)

Solution

Zero order (units of k): t = 2.5/0.05 = 50 years.

Question ID VK-010335