1.

The decomposition of a substance 'R' takes place according to fl rst order kinetics, Its initial concentration is reduced to 1/8th in 24 s. The rate constant of the reaction si

Answer»

`1/24 s^(-1)`
`0.69 /(16S^(-1))`
`(In 2) /8 s^(-1)`
`1/8 s^(-1)`

SOLUTION :`K = 1/24 In a/(a//8) = 1/24 In 8`
`= 1/24 In 2^3= 1/8 In2 s^(-1)`


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