Fats and oils

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Author:
Anonymous
ID:
123867
Filename:
Fats and oils
Updated:
2011-12-15 11:46:06
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Fats oils chemistry
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Description:
Higher Chemistry - Unit Two - Fats and oils
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  1. What kind of molecule are fats and oils?
    Esters
  2. How can fats and oils be classed?
    • As marine, animal or vegetable in origin
    • Or as solid and liquid
  3. The shape of the molecule is determined by the degree of...?
    unsaturation
  4. Do fat molecules fit closer together or further apart than oils?
    Closer together
  5. Why do fats have a higher melting point than oils?
    As the molecules fit closer together meaning they have stronger van der waals forces between them and therefore have a higher melting point
  6. What is the process that converts fats into oils called?
    Hydrogenation
  7. What product is always formed as a result of the hydrolysis of fats and oils?
    Glycerol
  8. Draw the structure of glycerol
  9. What is the ratio of glycerol to fatty acids?
    1:3
  10. Soap is the salt made by ________ a fatty acid with sodium hydroxide?
    neutralising

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