1.

The order of reaction A to product can be given by the expression (s) [where r=rate of reaction, [A]_(1)= concentration at tiem t_(1),[A]_(2)= concentration at time t_(2)

Answer»

`(lnr_(2)-lnr_(1))/(LN[A]_(1))`
`(ln[A_(0)]_(2)-ln[A_(0)]_(1))/(ln[t_(1//2)]_(2)-ln[t_(1//2)]_(1))`
`(ln(-d[A]/k'dt))/(ln[A])`
`(ln(r/k))/(ln[A])`

Answer :A::C::D


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