JEE Main Chemistry question

ChemistryOrganic Oxidation & Reduction ReactionsJEE Main

Acetaldehyde on oxidation with SeO₂ gives:

Answer: (C)

Solution

SeO₂ performs a Riley oxidation, selectively oxidizing the α-CH adjacent to the carbonyl, converting CH₃CHO into glyoxal, OHC–CHO.

Question ID VK-149718