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Chemical Kinetics and Nuclear Chemistry question

2023 · 25 Jan · Shift 2 · Q16
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Chemical Kinetics and Nuclear Chemistry question

2023 · 25 Jan · Shift 2 · Q16

JEE MainChemistryChemical Kinetics and Nuclear ChemistryNumerical+4 / −1
A first order reaction has the rate constant, k=4.6×10−3 s−1\mathrm{k=4.6\times10^{-3}~s^{-1}}k=4.6×10−3 s−1. The number of correct statement/s from the following is/are ‾\underline{\hspace{2cm}}​ Given : log⁡3=0.48\mathrm{\log3=0.48}log3=0.48 A. Reaction completes in 1000 s. B. The reaction has a half-life of 500 s. C. The time required for 10% completion is 25 times the time required for 90% completion. D. The degree of dissociation is equal to (1−e−kt\mathrm{1-e^{-kt}}1−e−kt) E. The rate and the rate constant have the same unit.
Numerical answer
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