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MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

Thermal decomposition of a compound is first order reaction. If a sample of compound decomposes 50% in 120 minutes, how much time it will take for 90% decomposition?

Answer: (D)

Solution

and $ = 10 = 2.303×120/0.693 ≈

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Question ID VK-068795