JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

For a first order reaction, products, the concentration of changes from 0.1 M to 0.025 M in 40 minutes. The rate of reaction when the concentration of is 0.01 M, is:

Answer: (A)

Solution

\dfrac{2.303}{40}$=4≈0.03

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Question ID VK-144592