Q.
The rate of the reaction
$CH _{3} COOC _{2} H _{5}+ NaOH \rightarrow CH _{3} COONa + C _{2} H _{5} OH$
is given by the equation, Rate $=$ $K \left[ CH _{3} COOC _{2} H _{5}\right][ NaOH ]$. If concentration is expressed in $m o l\, L^{-1}$, the unit of $K$ is
Solution: