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Question

In the Cannizzaro reaction given below:
2PhCHOOHPHCH2OH+PhCO2 the slowest step is:

A
The attack of OH at the carbonyl group
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B
The transfer of hydride to the carbonyl group.
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C
The abstraction of proton from the carboxylic acid.
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D
The deprotonation of PhCH2OH.
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Solution

The correct option is B The transfer of hydride to the carbonyl group.
In the cannizzaro reaction,transfer of hydride ion step is slowest step.

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