2. Sketch the following molecules:
4-ethyl 2,2,5-trimethyl 3-hexanone
2-chloro 4-methyl 2,5-heptadienal
3,4-dichloro 4-ethyl octanal
3-bromo 2-chloro 4-methyl hexane
methyl phenyl ether
3. Give two different uses for ethanol.
4. Name two categories of organic compounds (alkanes, aldehydes…) that have very strong characteristic odours.
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