This is the third (and final) quarter of 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: 00:25 - Addition of Alcohols 04:35 - Important Points about Acetal and Hemiacetal Formation 17:26 - Cyclic Acetals are formed more readily than Acyclic Acetals 21:30 - Addition of HCN 27:10 - Addition of Primary Amines (R-NH2) to give Imines 45:17 - Addition of Secondary Amines (R2NH) to give Enamines