MHT CET 2024 Chemistry question

A first order reaction takes 40 minute for 20% decomposition. Calculate it's rate constant.

Answer: (A)

Solution

For a first order reaction . With 20% decomposition, if then : \dfrac{2.303}{40}$ = 1.25 = 0.05758×0.09691 = 5.58×

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Question ID VK-098946