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Which of the following reagents cannot b...

Which of the following reagents cannot be used to oxidize primary alcohols to aldehydes?

A

CrO3 in anhydrous medium

B

Pyridinium chlorochromate

C

`KMnO_(4)` in acidic medium

D

Heating in presence of Cu at 573 K

Text Solution

Verified by Experts

The correct Answer is:
C
Primary alcohols can be oxidised to aldehydes with `KMnO_(4)` in aqucous or alkaline medium. Acidified `KMnO_(4)` oxidises alcohols to carboxylic acids directly.
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