Name molecules sorted by functional Group:
http://mhhe.com/physsci/chemistry/carey5e/nomenclature/tutorials-new.html
Try Quiz 1 and Quiz 3:
http://www.chembio.uoguelph.ca/educmat/chm19104/organic_nomenclature_quizzes.htm
Choose from the type of functional group you want to name:
http://www.chem.ucalgary.ca/courses/351/orgnom/javanom/nomenclature2StartPage.htm