1.

The rate of elementary reaction, A to B, increases by 400 times when the concentration of A is increased twenty folds. The order of the reaction with respect to A is

Answer»

1
2
10
100

Solution :`r = K [A]^m`…(i)
ALSO, `400r = k [20A]^m` …(ii)
From (ii)`-:`(i)
`400 = (20)^m`
`(20)^2 = (20)^m` ltbRgt `:.m = 2`


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