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  4. The unit of rate constant for a zero order reaction is

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Q. The unit of rate constant for a zero order reaction is

J & K CETJ & K CET 2011Chemical Kinetics

Solution:

For $n^{th}$ order of reaction a general formula for the unit of rate constant is $\left(\frac{\text { mole }}{\text { litre }}\right)^{1-n} \times \sec ^{-1} $
$\because$ For zero order reaction, $n=0$
$\therefore $ Unit of rate constant for zero order reaction is mole $\text{litre}^{-1} \sec ^{-1}$ or $mol L^{-1} S^{-1}$.