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Which of the following reagent is the mo...

Which of the following reagent is the most suitable for converting benzyl alcohol into benzaldehyde

A

`KMnO_(4),NaOH`

B

`K_(2)Cr_(2)O_(7),H_(2)SO_(4)`

C

`CrO_(3),CH_(3)COOH`

D

`MnO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`MnO_(2)` selectively oxidizes the `OH` group of allylic and benzlic `1^(@)` and `2^(@)` alcohols to give aldehydes and ketones :
`C_(6)H_(5)CH_(2)OH overset(MnO_(2))rarr C_(6)H_(5)CHO`
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