Question

In Cannizzaro reaction given below :- $2PhCHO \xrightarrow{:\overset{\ominus}{O}H} PhCH_2OH + Ph C_2^{\ominus}$
the slowest step is :-

• A. The abstraction of proton from the carboxylic group
• B. The deprotonation of $PhCH _{2} OH$
• C. The attack of : $\overset{\ominus}{ OH }$ at the carboxyl group
• D. The transfer of hydride to the carbonyl group

Answer 1

Answer: (D)

Cannizzaro reaction :-