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Chemical Kinetics and Nuclear Chemistry question

2021 · 16 Mar · Shift 2 · Q19
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Chemical Kinetics and Nuclear Chemistry question

2021 · 16 Mar · Shift 2 · Q19

JEE MainChemistryChemical Kinetics and Nuclear ChemistryNumerical+4 / −1
A and B decompose via first order kinetics with half-lives 54.0 min and 18.0 min respectively. Starting from an equimolar non reactive mixture of A and B, the time taken for the concentration of A to become 16 times that of B is ‾\underline{\hspace{2cm}}​ min. (Round off to the Nearest Integer).
Numerical answer
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