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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

A follows first order reaction, product. Concentration of A changes from 0.1 M to 0.025 M in 40 min. Find the rate of reaction of A when concentration of A is 0.01 M. [IIT JEE 2004]

Answer: (A)

Solution

\dfrac{2.303}{40}$=4==0.034

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Question ID VK-144214