A) \[tim{{e}^{-1}}\]
B) \[mol\text{ }{{L}^{-1}}tim{{e}^{-1}}\]
C) \[L\text{ }mo{{l}^{-1}}tim{{e}^{-1}}\]
D) \[{{L}^{2}}\text{ }mo{{l}^{-2}}tim{{e}^{-1}}\]
Correct Answer: B
Solution :
Rate of a second order reaction \[=\frac{change\text{ }in\text{ }concentration}{time}\] \[=\frac{mol\text{ }{{L}^{-1}}}{time}\] \[=mol\text{ }{{L}^{-1}}tim{{e}^{-1}}\] \[\therefore \]The units of rate of a second order reaction is\[mol\,{{L}^{-1}}tim{{e}^{-1}}\].
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