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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

In the first order reaction, the concentration of the reactant is reduced to 25% in one hour. The half-life period of the reaction is

Answer: (C)

Solution

\dfrac{2.303}{1 h}$=2.3034=2.303×0.602=1.386

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Question ID VK-144218