Saturated and Unsaturated Oils Flashcards
1
Q
What do unsaturated vegetable oils contain?
A
Double carbon-carbon bonds
2
Q
How can double carbon-carbon bonds be detected?
A
By reacting with bromine water
3
Q
How can vegetable oils that are unsaturated by hardened?
A
React with hydrogen, nickel catalyst, 60oc
4
Q
What does the hydrogen add to?
A
The carbon-carbon bonds
5
Q
Hydrogenated oils have ____ melting points
A
Higher
6
Q
What do higher melting points make hydrogenated oils at room temperature?
A
Solid
7
Q
What are hydrogenated oils useful as?
A
Spreads, use in cakes and pastries
