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Aldehydes, Ketones And Carboxylic Acids

Question
CBSEENCH12008450

What does PCC stand for? Give its composition and one use.

Solution
PCC stands for pyridinium chlorochromate. It is an equimolar mixture of CrO3, HCl and pyridine. It is used to oxidise 1° alcohol to aldehyde and 2° alcohol to ketones.