Dr. Xanthine on Instagram: "what reaction was your favorite in ochem? footage sources: Named Reactions in Organic Chemistry - DMP Oxidation, Crash Course Organic Chemistry - Aldehyde and Ketone Reactions - Hydrates, Acetals, & Imines. summary from the Chemistry Department at Purdue. "It is somewhat misleading to write the carbonyl group as a covalent C=O double bond. The difference between the electronegativities of carbon and oxygen is large enough to make the C=O bond moderately polar. As a re