Chemistry - Chemical Kinetics Question with Solution | TestHub
ChemistryChemical KineticsFirst-order kineticsHard2 minQB
ChemistryHardsingle choice
A first-order reaction is 50% completed in 1.26 × 10¹⁴ s. How long would 100% completion take?
Options:
Answer:
D
Solution:
First-order concentration decays exponentially and approaches zero asymptotically; exact 100% completion requires infinite time.
Stream:JEESubject:ChemistryTopic:Chemical KineticsSubtopic:First-order kinetics
⏱ 2mℹ️ Source: QB
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