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Chemistry - Chemical Kinetics Question with Solution | TestHub

ChemistryChemical KineticsRate of Reactions/Rate LawEasy2 minPYQ_2019

ChemistryEasysingle choice

Find out the time required for $2/ 3^{rd}$ completion of a first order reaction, if the value of rate constant is $4.3 \times 1 0^{- 4} s^{- 1}$ .

Options:

Answer:

Solution:

For a first order reaction, $k = \frac{2.303}{t} lo g \frac{a}{a - x} ∴ t = \frac{2.303}{4.3 \times 1 0 ^{- 4}} lo g \frac{a}{a /3} = 2.55 \times 1 0^{3} s$

Stream:AIIMSSubject:ChemistryTopic:Chemical KineticsSubtopic:Rate of Reactions/Rate Law

⏱ 2mℹ️ Source: PYQ_2019

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