1.

Which one of the following formulae representsthe first order reaction ?

Answer»

`k=2.303/(t) log ([A])/([A]_0)`
`k=2.303/t log (a-x)/a`
`[A]=[A_0]E^(-KT)`
`k = 2.303/t log (a)/(a+x)`

Solution :For 1st ORDER reactions, `[A] = [A]_(0) e^(-kt)`


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