Fats And Oils Flashcards
1
Q
Are Fat molecules are soluble?
A
No.
2
Q
What are fats and oils built from?
A
Alcohol with three hydroxyl groups
3
Q
The components of fat molecules carboxylic acids such as?
A
Fatty acids
4
Q
The removal of water in the condensation reaction gives us what?
A
Fat.
5
Q
Fats are mainly built from carboxylic acids that have what carbon bonds
A
Single bond C-C, this makes the molecule straight e.g stearic acid in beef fat.
Oils have C=C, this causes a kink in the molecule shape
6
Q
Oils and fats are what state at room temperature
A
Liquid and solid
7
Q
What will hydrogenation do to an oil?
A
It will ‘harden’ the oil. The hydrogen is added across the double bond
8
Q
A larger bromine number means what?
A
More C=C bonds
9
Q
Naturally occurring esters?
A
Lard, suet, sunflower & coconut & cod liver & whale oil
