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JEE Main 2022 Chemistry question

ChemistryChemical KineticsJEE Main 2022

At 30°C, the half life for the decomposition of is 200 s and is independent of the initial concentration of . The time required for 80% of the to decompose is (Given : log 2 = 0.30, log 3 = 0.48)

Answer: (C)

Solution

The half-life is independent of the initial concentration, so the reaction is first order. k = 2.303 log 0.3/200. For

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Question ID VK-025047