2. Sketch the following molecules:
3-cyclohexenone
4-ethyl 2,2,5-trimethyl 3-hexanone
ethyl butyrate
pentanoic acid
2-chloro 4-methyl 2,5-heptadienal
3,4-dichloro 4-ethyl octanal
p-chloro phenol
3-bromo 2-chloro 4-methyl hexane
3-cyclopropyl 1,2-cyclopentanediol
methyl phenyl ether
3,5-dimethyl 2-heptene-4,5-diol
3. Give two different uses for ethanol.
4. Name two categories of organic compounds (alkanes, aldehydes…) that have very strong characteristic odours.
