Question

The rate of reaction R = 6.95 *10³ was found to have Rate constants K = 5.86*10² L²mol^-2s^-1 for a imaginary reaction A+3D--> E+2B . The reaction is of which order ?

Answer 1

We always know that Units of Rate constant K helps us to understand the order of the reaction.

Here, Given Rate constant units =
$l ^{2} {mol}^{ - 2} {s}^{ - 1}$

Comparing with the units of n th order reaction.

1-n = -2

n = 3

(or)

n-1 = 2

n = 3 .


The rate constants suggests the reaction to be of third order .


Hence, The given reaction is 3rd order.


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