Check out our list of ever updating websites, a great first port of call if you get stuck and need your question answered fast!
Have a site that is good for revision or understanding concepts? Post it in the comments below and share it with others!
Master Organic Chemistry (http://www.masterorganicchemistry.com)
IUPAC Gold Book - Great for referncing defintions for reports (http://goldbook.iupac.org/index-alpha.html)
The Virtual Textbook of Organic Chemistry (http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/intro1.htm)