Verified Solution • 2025–26 Session moderate

QJEEM19Ch7025: JEE Main 2019 Chemistry - Class 12 JEEM19Ch7025 Solution: Decomposition of X exhibits a rate constant of 0.05 g/year. How …

Decomposition of X exhibits a rate constant of 0.05 μ\mu g/year. How many year are required for the decomposition of 5 μ\mu g of X into 2.5 μ\mu g?

Multiple Choice Options

  • A 50
  • B 20
  • C 25
  • D 40

Step-by-Step Verified Solution

According to unit of rate constant it is a zero order reaction, then half life of zero order reaction.

t1/2 = a02k=52×0.05{{{a_0}} \over {2k}} = {5 \over {2 \times 0.05}} = 50 years

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