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NEET 2017 Chemistry question

ChemistryChemical KineticsNEET 2017

A first order reaction has a specific reaction rate of . How much time will it take for 20 g of the reactant to reduce to 5 g?

Answer: (2)

Solution

For a first-order reaction . Here . \dfrac{2.303}{10^{-2}}$4 = = 138.6\

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Question ID VK-092095