Tardigrade
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Tardigrade
Question
Chemistry
In the Cannizzaro reaction given below, 2PCHO xrightarrow-OH PhCH2OH +PhCO-2, the slowest step is
Q. In the Cannizzaro reaction given below,
2
PC
H
O
−
O
H
P
h
C
H
2
O
H
+
P
h
C
O
2
−
,
the slowest step is
1114
192
Aldehydes Ketones and Carboxylic Acids
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A
the attack of
−
O
H
at the carbonyl group,
B
the transfer of hydride to the carbonyl group,
C
the abstraction of proton from the carboxylic acid,
D
the deprotonation of
P
h
C
H
2
O
H
Solution:
The possible mechanism is The slowest step is the transfer o f hydride group as shown in step (ii).
