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Chemistry Question on Chemical Kinetics

The rate constant of a reaction is 2.3×10−2mol−2L2min−1.2.3\times10^{-2} mol^{-2} L^{2} min^{-1}. The order of reaction is

A

Zero

B

1

C

2

D

3

Answer

3

Explanation

Solution

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