What is the expected product when l-propanol is oxidized?

A. propanoic acid

B. propanone

C. propanal

D. propene

Answer is: C. propanal.

1-propanol is primary alcohol. With weak oxidizing agent primary alcohol gives aldehyde and with strong oxidizing agent primary alcohol gives carbonic acid.

Oxidation of 1-propanol with Na ₂ Cr ₂ O ₇ and sulfuric acid gives propanal and o xidation with chromic acid gives propionic acid.