Unit 2- Fats And Oils Flashcards
Name 2 qualities fats tend to have
Solid
High melting point
How can natural fats and oils be classified?
Animal
Vegetable
Marine
Name 2 qualities oils tend to have
Liquid
Low melting point
What is the lower melting point of oils related to?
The higher unsaturation of the oil molecules
They have carbon to carbon double bonds
Do oils decolourise bromine water slowly or quickly and why?
Quickly because they are unsaturated
Do fats decolourise bromine water quickly or slowly and why?
Slowly because they are saturated
What does the conversion of oils into hardened fats involve?
The partial remove of unsaturation by the addition of hydrogen
(HYDROGENATION)
Why do we need fats and oils in our diets?
To supply the body with energy and are a more concentrated source if energy than carbohydrates
What are fats and oils?
Esters
What does the hydrolysis of fats and oils produce?
Include the ratio
Fatty acids and glycerol in a ratio of 3moles of fatty acid to 1mole of glycerol
What are fatty acids?
Saturated or unsaturated straight chain carboxylic acids
