| Qu 1: | (a) An unsaturated triglyceride must contain which functional
groups ? | 
|  | (b) Draw the mechanism for the saponification reaction of a triglyceride
with aq. NaOH | 
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| Qu 2: | Rank the following fatty acids according to their melting points: | 
|  | 
| (a)  stearic, palmitic, lauric | (b) linoleic, oleic, stearic |  | 
|  |  | 
| Qu 3: | Identify the isoprene units in the following terpenes: | 
|  |  | 
| Qu 4: | Limonene (see structure (a) in Qu3 above) could be made by a dimerisation
is isoprene via an important named organic reaction. Which one ? | 
|  |  | 
| Qu 5: | How do soaps clean up oil or grease ? |