Carvboxylic acid and esters Flashcards
1
Q
How can we make esters and what are the conditions/catalyst
A
alcohol + carboxylic acid -> ester + water
concentrate sulphuric acid
reflux
2
Q
What does ester + water make
A
Carboxylic acid and alcohol
3
Q
What are esters used for
A
Perfumes, flavourings
4
Q
How do we form acyl chlorides
A
carboxylic acid +
either
PCl5
SOCl2
PCL3
5
Q
Acyl chloride + water ->
A
carboxylic acid + HCL
6
Q
Acyl chloride + Alcohol ->
A
Ester + HCL
7
Q
Why are acid anhydrides better than acyl chlorides
A
Cheaper
Less corrosive
Safer products
8
Q
Acid anhydride + H20 ->
A
2 x carboxylic acids
9
Q
Acid anhydrides + alcohol ->
A
ester + carboxylic acid
