Correct Answer - C
Larger is the size of alkyl group of ester, greater is the steric effect and thus lesser will be rate of hydrolysis.
`CH_(3)-underset(OCH_(3))underset(|)overset(O)overset(||)(C)+OH^(-) underset(fast)toCH_(3)- underset(OCH_(3))overset(|)overset(overset(ө)(O))overset(|)(C)-OH overset(H^(+))toCH_(3)COOH+CH_(3)OH`
`CH_(3)-underset(OC_(4)H_(9))underset(|) overset(O)overset(||)(C)+ Ooverline(H)overset("slow")to CH_(3)COOH+C_(4)H_(9)OH`