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  4. The units of the rate constant of a second order reaction are

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Q. The units of the rate constant of a second order reaction are

J & K CETJ & K CET 2007

Solution:

$\frac{d x}{d t}= k[A]^{2}$
$k=\frac{d x}{d t[A]^{2}}$
$=\frac{m o l(L)^{2}}{L \times s \times(mol)^{2}}$
$=mol^{-1} L\, s^{-1}$