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For an acid catalysed reaction Aoverset(H^(+))(to)B half life period is independent of concentration of A at given pH. At same concentrationn of A half tiem is 10 min at p^(H)=2 and half life time is 100 min at P^(H)=3. If the rate law expression of reaction is r=K[A]^(x)[H^(+)]^(y) then calculate (x+y)

Answer»


SOLUTION :`t1/2to` not depends on conc of A so order (x) w.r.t A=1
`[((t1/2)_(1))/((t1/2)_(2))]=[((H^(o+))_(2))/((H^(o+))_(1))]^((n-1)),(10/100)=((10^(-3))/(10^(-2)))^((n-1)),(1/10)=(1/10)^((n-1))`
`(10^(1)=(10)^((n-1)),1=n-1,n=2,r=K[A]^(1)[H^(o+)]^(2)`


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