Carboxylic acids and derivatives Flashcards
1
Q
Carboxylic acids are weak acids but will liberate CO2 from carbonates.
A
2
Q
Carboxylic acids and alcohols react, in the presence of an acid catalyst, to give esters.
A
3
Q
Common uses of esters
A
solvents, plasticisers, perfumes and food flavourings
4
Q
Vegetable oils and animal fats are esters of propane-1,2,3-triol (glycerol).
A
5
Q
Esters can be hydrolysed in acid or alkaline conditions to form alcohols and carboxylic acids or salts of carboxylic acids.
A
6
Q
Vegetable oils and animal fats can be hydrolysed in alkaline conditions to give soap (salts of long-chain carboxylic acids) and glycerol.
A
7
Q
Define biodiesel
A
mixture of methyl esters of long-chain carboxylic acids.
8
Q
Biodiesel is produced by reacting vegetable oils with methanol in the presence of a catalyst.
A
9
Q
A
10
Q
A
