esters Flashcards
1
Q
what are esters used for
A
- fragrances and flavourings
- non polar solvents
2
Q
how is an ester formed
A
condensation reaction between an alcohol and a carboxylic acid
3
Q
is esterification reversible
A
yes
4
Q
how do you name esters
A
change to alcohol ending to -yl
change the acid ending to -oate
put alcohol first, acid second
5
Q
what happens during an esterification reaction
A
the OH group of the alcohol reacts with the COOH group of the acid to form a carboxylate group (COO)
6
Q
what is the ester link
A
C=O
|
O
7
Q
how can esters be broken down
A
hydrolysis
8
Q
how can you catalyse ester hydrolysis
A
using a base eg sodium hydroxide
