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Q. The rate constant of a reaction is $2.3\times10^{-2} mol^{-2} L^{2} min^{-1}.$ The order of reaction is

Gujarat CETGujarat CET 2006Chemical Kinetics

Solution:

Unit of rate constant = $\left(\frac{litre}{mol}\right)^{n-1} \, sec^{-1}$
$If n = 3, then\, mol^{-2} \,litre \,sec-1$
From the units, it is clear that the order of reaction is three.