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MHT CET 2023 Chemistry question

ChemistryChemical KineticsMHT CET 2023

Calculate the time needed for reactant to decompose 99.9% if rate constant of first order reaction is 0.576 minute

Answer: (B)

Solution

For a first order reaction . If 99.9% decomposes, 0.1% remains, so and .

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Question ID VK-097421