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PCC stands for pyridinium chlorochromate. It is an equimolar mixture of CrO 3 , HCl and pyridine. It is used to oxidise 1° alcohol to aldehyde and 2° alcohol to ketones.

Aldehydes, Ketones and Carboxylic Acids

Question

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

Answer

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.