formyls

Example:The alkyl group in ethyl alcohol contributes to its hydrophobic nature.

Definition:An alkyl group, —R, is a common functional group in organic chemistry, consisting of a carbon atom bonded to hydrogen atoms, without an attached oxygen or other functional groups.

Example:Phenol groups in salicylic acid make it effective as an antiseptic.

Definition:A phenol group, —OH, is a functional group in organic chemistry, found in aromatic compounds, and characterized by a hydroxyl group attached to an aromatic ring.