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A first order reaction is 20% complete i...

A first order reaction is 20% complete in the 10 minutes. Calculate the time period for 75% completion of the reaction.

Text Solution

Verified by Experts

When 75 % reaction is completed,
`[A]=1/4 [A]_(0)" or "t=(2.303)/(0.022)log""((25)/(100))`
`:. 1/4 [A]_(0)=[A]_(0) e^(-0.22 t)`
`implies` t = 62.17 min.
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