Soaps, Detergents and Emulsions. Flashcards
1
Q
What is a soap?
A
it is a salt of a fatty acid
2
Q
How are soaps produced?
A
alkaline hydrolysis of fats and oils
3
Q
What is the formula for glycerol?
A
propane-1,2,3-triol
4
Q
What does hydrolysis of fats and oils produce?
A
fatty acid and glycerol
5
Q
What part of the salt is hydrophobic?
A
non polar hydrocarbon tail
6
Q
What part of the salt is hydrophilic?
A
polar ionic carboxylate head.
7
Q
Why are emulsifiers added?
A
To prevent oil and water components separating into layers, a soap-like molecule
