1B Fats and oils /30
1) This question is about fatty acids and fats:
a) Draw and name the fatty acid 18:2(9.12) 
b) Use the shorthand notation for the following molecule 
c) Name the functional groups in the molecule in (b) 
d) Describe a simple chemical test you could carry out to distinguish between the molecules below 
e) Write a balanced chemical equation for the reaction between glycerol and hexadecanoic acid.
Circle the new functional group and label it 
2) This question is about fats and oils:
a) Draw the skeletal formulas for a i) saturated fatty acid ii) trans fatty acid iii) cis fatty acid 
b) Use your answers in (a) to explain the health issues associated with each (i) - (iii) 
c) Explain the difference between and fat and an oil 
d) Use your knowledge of the alkenes to describe how solids (margarine) are formed from oils 
3) Oils can be used to produce fuels.
a) Draw the structure of an oil made between glycerol and hexadecanoic acid: 
b) Write an equation for the formation of biodiesel from the triester in (a)