MHT CET 2023 Chemistry question

Calculate the rate constant of the first order reaction if 80% of the reactant reacted in 15 minute

Answer: (A)

Solution

For a first order reaction . If 80% has reacted, the remaining reactant is 20%, i.e. and . Then \dfrac{2.303}{15}$ = 5 = =

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Question ID VK-096359