Nomenclature
Introduction/Overview/Beginner
An Introduction to Basic Organic Nomenclature (Dave Woodcock, Okanagan University College): This is a overview of naming organic compounds using the IUPAC Systematic Approach to Nomenclature.
Wikipedia page on IUPAC nomenclature
Master Organic Chemistry Nomenclature
Nomenclature101 (University of Ottawa): Tools to identify functional groups and draw molecules; design your own quizzes from their question pool.
Application/Intermediate/Applied
Extra Nomenclature Exercises:
Organic Chemistry Problems (Michigan State University): This website has 21 nomenclature questions. Some the questions are multiple choice, but most require the student to draw a named molecule.
Basic Organic Nomenclature (McGraw-Hill): Website with 15 quizzes that cover different functional groups.
More Quizzes (University of Guelph): One multiple-choice quiz and two free answer quizzes.
Naming Alkanes: This website generates random alkanes and when prompted provides hints and the name.
Oxidation-Reduction Equations
Introduction/Overview/Beginner
Redox This website contains power point slides explaining how to balance redox equations using half-reactions.
Mr.Kent This video shows how to balance redox equations using half-reactions. (Video)