Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

chemistry p2 > carboxylic acids > Flashcards

carboxylic acids Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

what is there functional group

A

-COOH

carboxyl group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

List the first 4 carboxylic acids

A

methanoic acid
ethanoic acid
propanoic acid
butanoic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

why are carboxylic acids described as weak acids?

A

All carboxylic acids are weak acids. Weak acids do not fully ionise in water. This means that weak acids don’t release all their hydrogen ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

carboxylic acid + metal carbonate=

A

salt + water + carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

ethanoic acid + potassium carbonate=

A

potassium ethanoate + water + carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how are carboxylic acids made?

A

take an alcohol (butanol) and oxidise it using a oxidising agent which adds an oxygen resulting in ac carboxylic acid (butanoic acid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what will butanoic acid ionise into (2 marks)

A

Butanoic acid will ionise into a butanoate ion and a hydrogen ion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Finish the word equations

  1. Carboxylic acid + metal ➔
  2. Carboxylic acid + metal oxide ➔
  3. Carboxylic acid + metal hydroxide ➔
  4. Carboxylic acid + metal carbonate➔
A
  1. Carboxylic acid + metal ➔ salt + hydrogen
  2. Carboxylic acid + metal oxide ➔ salt + water
  3. Carboxylic acid + metal hydroxide ➔ salt + water
  4. Carboxylic acid + metal carbonate ➔ salt + water + carbon dioxide
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the general formula for carboxylic acids?

A

CnH2n+1COOH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

formula of methanoic acid

A

HCOOH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

formula of ethanoic acid

A

CH3COOH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

formula of propanoic acid

A

CH3CH2COOH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

formula of butanoic acid

A

CH3CH2CH2COOH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ethanoic acid + ethanol →

A

Ethanoic acid + ethanol → ethyl ethanoate + water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

when carboxylic acids react with water what Ph do the dissolved solutions have

A

acidic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is needed for carboxylic acids to react and produce esters?

A

Alcohol

Acid catalyst

chemistry p2 (41 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions