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Chemistry Question on Aldehydes, Ketones and Carboxylic Acids

Red phosphorus and hydrogen iodide reduce carboxylate ions to

A

alkanes

B

alcohols

C

alkenes

D

aldehydes

Answer

alkanes

Explanation

Solution

{\underset{\mathrm{Acetic , acid}}{ {CH_3COOH }}+6HI−>[red P]+ 6HI ->[red \, P]\underset{\mathrm{Ethane}}{ {CH_3CH_3 }} +2H_2O + 3I }