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In the Cannizzaro 's reaction given belo...

In the Cannizzaro 's reaction given below, `2PhCHOoverset(OH^(-))toPhCH_(2)OH+PhCOO^(-)` the slowest step is :

A

the attack of `OH^(-)` at the carbonyl group

B

the transfer of hydride to the carbonyl group

C

the abstraction of proton from carboxylic acid

D

the deprotonation of `PhCH_(2)OH`.

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The correct Answer is:
B
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