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MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

For a first order reaction, the time taken to reduce the initial concentration by a factor of is 20 minutes. The time required to reduce initial concentration by a factor of is

Answer: (D)

Solution

Reduction to 1/4 takes two half-lives, so min; reduction to 1/16 takes four

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Question ID VK-069095