Q.
In cannizzaro reaction given below
The slowest step is
A) The attack of ::$OH^{\circleddash}$ at the carboxyl group
B) The transfer of hydride to the carbonyl group
C) The abstraction of proton from the carboxylic group
D) The deprotonation of $PhCH_{2}OH$
Explanation
(b)
In Cannizzaro reaction the transfer of$H^{-}$ to another carbonyl group is difficult and slowest step. (rate determining step or key step)
[image:12_image418.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.