Soaps and detergents Flashcards
1
Q
How are soaps created?
A
Fat/oil + Strong base (NaOH) –> soap
2
Q
what can detergents do that soaps can’t
A
Be effective in hard water
3
Q
What is the structure of a soap?
A
hydrophobic tail + polar charged carboxylate head ( -O =O)
4
Q
what are soaps used for?
A
personal hygiene
5
Q
what is the structure of an anionic detergent?
A
hydrophobic tail + polar anionic bezenesuflonate head
6
Q
example of anionic detergent
A
glass cleaner
7
Q
what is the structure of cationic detergent?
A
hydrophobic tail + polar trimethylammonium head
8
Q
example of cationic detergent
A
fabric softener
9
Q
what is the structure of non-ionic detergent?
A
hydrophobic tail + polar polyethene glycol head
10
Q
example of non-ionic detergent
A
dishwashing soap
11
Q
action of soaps steps:
A
- surfactant dissolves
- monolayer formation in fat/oil
- agitation
- micellisation and emulsification
