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For a certain first order reaction 32% of the reactant is left after 570 s. The rate constant of this reaction is___×10−3s−1(Round off to the Nearest Integer) [Given :log102=0.301, ln10=2.303]

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answer is 2.

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Detailed Solution

k=2.303tlogNoN=2.303570log10032=1.999×10−3≃2×10−3

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For a certain first order reaction 32% of the reactant is left after 570 s. The rate constant of this reaction is___×10−3s−1(Round off to the Nearest Integer) [Given :log102=0.301, ln10=2.303]