1.

Consider a reaction aG+bH toproducts. When concentration of both the reactants G and H is doubled, the rate increase by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is

Answer»

`0`
`1`
`2`
`3`

SOLUTION :Overall order=sum of ORDERS w.r.t each reactant. Let the order be x and y for G and H respectively

`because` For (1) and (3), the rate is doubled when CONC. Of G is dobled keeping that ofH constant i.e., rate`prop[G] therefore x=1`
From (2) and (3), y=2
`therefore` Overall order is 3.


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