This is the third quarter course in the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. Index of Topics: 1:19-Electrophilicity of Aldehydes and Ketones 5:37-Hydrates 12:17-Acid-Catalyzed Addition of Water to Acetone 21:29-Acetone Enol Example 24:01-Reverse Reaction 25:31-Energy Diagram 29:28-Reverse Reaction Mechanism 36:38-Acid-Catalyzed Acetal Formation 40:00-Hemiacetal 43:01-Strong Acid 47:23-Hemiacetal Formation Mechanism 50:52-Hemiacetal to Acetal Mechanism 1:00:52-Acid-Catalyzed Acetal Hydrolysis 1:06:12-Protecting Groups 1:12:15-Cyclic Hemiacetal