Chapter Quiz:
http://www.harcourtcollege.com/chem/organic/oc/student/testing/

Organic Reaction Quizzes:
http://www.towson.edu/~sweeting/orgrxs/reactsum.htm

Mass Spectroscopy Tutorial:
http://chipo.chem.uic.edu/web1/ocol/spec/MS.htm

Mass Spect Simulator:
http://www.colby.edu/chemistry/OChem/DEMOS/MassSpec.html

Organic Chemistry Spectroscopy:
http://www.chem.uic.edu/web1/OCOL-II/WIN/SPEC.HTM

Infrared Spectroscopy:
http://www.dq.fct.unl.pt/qoa/jas/ir.html

Analyzing NMR spectra:
http://chemistry2.csudh.edu/newstuff/nmrspectra.html

NIST Standard Reference Database:
http://webbook.nist.gov/chemistry/#Search

Integrated Spectral Data Base System for Organic Compounds:
http://www.aist.go.jp/RIODB/SDBS/menu-e.html

The Lizzadro Magnetic Resonance Research Center
http://www.science.nd.edu/chemistry/nmr.html

Introductory Spectroscopy Problems
http://orgchem.chem.uconn.edu/colleges/elemprob.html

Organic Molecular Modeling:
http://ep.llnl.gov/msds/orgchem/molmodl.html

Multimedia for Chemistry Education:
http://www.ncl.ox.ac.uk/it_lectures/poznan/slide18.html

3D- Molecular Models and Spectrum:
http://www.chem.uic.edu/web1/OCOL-II/WIN/LIBRARY/FRAMES.HTM

Learning by Visualization:
http://www.webelements.com/webelements/elements/text/U/key.html

Chemistry Demonstrations:
http://www.chem.ox.ac.uk/vrchemistry/FilmStudio/fshome.htm

Chemistry Tutorial and demonstrations, Chemistry, Matter and the Universe
http://neon.chem.ox.ac.uk/vrchemistry/foundation.html

Organic Nomenclature:
http://people.ouc.bc.ca/woodcock/nomenclature/index.htm

IUPAC Glossary:
http://www.chem.qmw.ac.uk/iupac/