Make Soap Experiment Flashcards
1
Q
Why reflux at start
A
Keeps liquid at boiling point without loss of vapour
Prevents flask boiling dry and allows organic reactions sufficient time to take place
Bring reaction to completion
Maximises yield of soap
No loss of solvent ethanol
2
Q
What type reaction
A
Saponification
3
Q
Why use ethanol
A
Solvent for oil or lard
4
Q
Why remove ethanol after reflux
A
Makes it easier to isolate soap as it dissolves in ethanol - maximises yield of soap
5
Q
Other product that forms with soap
A
Glycerol
HO - CH2
HO - CH
HO - CH2
