1.

In a pseudo first order reaction of hydrolysis of an ester in H_2O, the following results were obtained : Calculate the pseudo first order rate constant for the hydrolysis of ester.

Answer»

Solution :`K_30=2.303/t "log"([A]_0)/([A])=2.303/30 "log"0.55/0.31`
`K_60=2.303/60 "log"0.55/0.17`
`K_90=2.303/90"log"0.55/0.085`
AVERAGE `K=1.98xx10^(-2) "sec"^(-1)`


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