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MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

The time for half life of a first order reaction is 1 hr. What is the time taken for 87.5% completion of the reaction?

Answer: (C)

Solution

87.5% completion leaves 12.5% = , i.e. 3 half-lives = 3 h; 1 h

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Question ID VK-068855