JEE Main 2025 — Chemical Kinetics Question with Solution
JEE Main 2025 (3 Apr Shift 1)
Question
In a reaction , initial concentrations of and are related as . The half lives of and are 10 min and 40 min. respectively. If they start to disappear at the same time, both following first order kinetics, after how much time will the concentration of both the reactants be same?
Choose an option
Show full solutionCorrect option: D
Correct answer
D40 min
Step-by-step explanation
Given :
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order kinetics
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order kinetics
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This is a previous-year question from JEE Main 2025, covering the Chemical Kinetics chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.