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MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

75% of a first order reaction is completed in 30 minutes. What is the time (in minutes) required for 93.75% of the reaction to be complete?

Answer: (D)

Solution

75% completion takes 2 half-lives, so min; 93.75% completion means , i.e. 4

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Question ID VK-069021