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A reaction has a half life of 1 min. The time required for 99.9 % completion of the reaction is ____min. (Round off to the Nearest Integer) [Use: In 2=0.69, In 10=2.3]

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answer is 10.

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Detailed Solution

t=2.3030.693×t1/2log⁡a(a−x) t99.9=3.33×t1/2×log⁡100100−99.9=3.33×1log⁡103t99.9≈10min

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