| Alkanes | Alkenes | Alkynes | Acetylene Hydrocarbons | Alcohols |
| Ethers | Alkyl Halides | Acids and Salts | Acid Anhydrides | Acid Halides |
| Esters | Aldehydes | Ketones | Amides | Amines |
| Nitriles | Amino Acids | Sulfur Compounds | Aldo and Keto Acids | Carbohydrates |
| Aromatic Hydrocarbons | Aldehydes, ketones, and Quinones | Alcohols and Phenols | Acids |
| Amines | Diazonium Compounds | Sulfonic Acids |