$ 99 \% $ of a first order reaction was completed in $ 32 \mathrm{~min} $. When will $ 99.9 \% $ of the reaction complete?

Question

$ 99 \% $ of a first order reaction was completed in $ 32 \mathrm{~min} $. When will $ 99.9 \% $ of the reaction complete?, $ 24 \mathrm{~min} $, $ 8 \mathrm{~min} $, $ 4 \mathrm{~min} $, $ 48 \mathrm{~min} $

MARKS App · Accepted Answer

k = 2.303 32 log ⁡ 100 1 ∴ t = 2.303 2.303 32 log ⁡ 100 log ⁡ 100 0.1 t = 48 m i n

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