Chemistry- 11 (Colour by Design) Flashcards
1
Q
How do substance separate in GLC when the stationary phase is a solid?
A
By relative adsorption
2
Q
How do substance separate in GLC when the stationary phase is a liquid?
A
By relative solubility
3
Q
Yellow orange azo compound
A
Coupling agent phenol
4
Q
Red azo compound
A
Coupling agent naphthalene-2-ol
5
Q
Yellow azo compound
A
Coupling agent arylamine (phenyl amine)
6
Q
What components do oil and fats contain?
A
Glycerol (-OHx3) + fatty acids (-COOH)
7
Q
How is a soap made?
A
Heat with KOH or NaOH, makes a fatty acid with O- charge
8
Q
How are oils converted into fats?
A
Hydrogenation by electrophilic addition
Passed through H2 with nickel catalyst
