Q.
Rate of reaction,
is fastest when Z is
A) $Cl$
B) $NH_{2}$
C) $OC_{2}H_{5}$
D) $OCOCH_{3}$
Explanation
(a)
$Cl^{-}$ is the best leaving group being the weakest nucleophile out of $NH_{2}^{-},\ Cl^{-},\ O^{-}$
$O$
$||$
$- C_{2}H_{5}$ and $O^{-}\ \ - C - CH_{3}$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.