Aldehyde Parents ⬅️ Primary alcohol ⬅️ Diol ⬅️ Unsaturated aldehyde Children ➡️ Carboxylic acid ➡️ Primary alcohol ➡️ Hydroxynitrile ➡️ Carboxylate ion ➡️ Trihaloalkane ➡️ Hydroxyaldehyde Reactions Aldehyde⟶Carboxylic acid Aldehyde⟶Primary alcohol Aldehyde⟶Hydroxynitrile Aldehyde⟶Carboxylate ion Aldehyde⟶Trihaloalkane Aldehyde⟶Hydroxyaldehyde