Carboxylic acids Flashcards
(13 cards)
1
Q
functional group for a carboxylic acid ?
A
- COOH
2
Q
what is meant by a carboxylic acid ?
A
a weak acid
3
Q
name this compound
CO(OH)-CO(OH)
A
ethanedioic acid
4
Q
what kind of carboxylic acids are soluble ?
and why ?
A
- short chain carboxylic acids are soluble
- they have a hydrogen that can create hydrogen bonds with water
5
Q
in terms of solubility
the longer the hydrocarbon chain…
A
the less soluble the carboxylic acid
6
Q
How do carboxylic acids interact with each other ?
A
- they can hydrogen bond with other compounds / molecules
7
Q
carboxylic acid + metal =
A
salt + hydrogen
8
Q
2HCOOH + 2Na —->
A
2HCOO-Na+ + H2
(sodium methanoate)
9
Q
carboxylic acid + base —->
A
salt + water
10
Q
HCOOH + NaOH —->
A
HCOO- Na+ + H2
11
Q
carboxylic acid + metal carbonates —>
A
salt + carbon dioxide + water
12
Q
2HCOOH + Na2CO3 —->
A
2HCOO-Na+ + CO2 + H2O
13
Q
how can you tell carbon dioxide has been made in this reaction ?
A
effervescance
