Brainscape's Knowledge GenomeTM

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


See full index

Chemistry > Carboxylic acid > Flashcards

Carboxylic acid 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 a carboxylic acid?

A

A carboxylic acid is a compound containing the functional group carboxyl, -COOH.

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

True or False?

The naming of a carboxylic acid follows the pattern alkan + oic acid.

A

True.

The naming of a carboxylic acid follows the pattern alkan + oic acid.

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

State the general formula for carboxylic acids.

A

The general formula of a carboxylic acid is CnH2n+1COOH or RCOOH.

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

Which carboxylic acid is found in vinegar?

A

Vinegar is an aqueous solution of ethanoic acid and contains about 5% of the acid by volume.

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

What is the molecular formula of methanoic acid?

A

The molecular formula of methanoic acid is HCOOH.

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

What is the molecular formula of ethanoic acid?

A

The molecular formula of ethanoic acid is CH3COOH.

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

What is the molecular formula of propanoic acid?

A

The molecular formula of propanoic acid is C2H5COOH.

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

What is the empirical formula of ethanoic acid?

A

The empirical formula ethanoic acid is CH2O

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

What is the molecular formula of butanoic acid?

A

The molecular formula of butanoic acid is C3H7COOH.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False?

Carboxylic acids react with metals to form a salt and hydrogen.

A

True.

Carboxylic acids react with metals to form a salt and hydrogen.

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

True or False?

Carboxylic acids react with carbonates to form a salt, water and carbon dioxide gas.

A

True.

Carboxylic acids react with carbonates to form a salt, water and carbon dioxide gas.

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

What type of reactions of carboxylic acids make a salt and water?

A

Carboxylic acids take part in neutralisation reactions to produce salt and water.

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

What is the common name for the acid found in vinegar?

A

Acetic acid ( known to chemists as ethanoic acid) is the acid used to make vinegar.

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

Name the type of salts formed salt by carboxylic acids.

A

Salts formed by the reaction of carboxylic acids are called carboxylates and all end in –anoate.

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

True or False?

The reaction equation between magnesium and ethanoic acid is:

2CH3COOH + Mg → (CH3COO)2Mg + H2

A

True.

Carboxylic acids behave like other acids and produce a salt and hydrogen with magnesium:

2CH3COOH + Mg → (CH3COO)2Mg + H2

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

State the products of the reaction between propanoic acid and potassium hydroxide.

A

The products of the reaction between propanoic acid and potassium hydroxide are potassium propanoate and water. For reference the equation is:

CH3CH2COOH + KOH → CH3CH2COOK + H2O

15
Q

State the word equation for this reaction:

2CH3CH2CH2COOH + K2CO3 → 2CH3CH2CH2COOK + H2O + CO2

A

The word equation for the reaction is:

butanoic acid + potassium carbonate → potassium butanoate + carbon dioxide + water

16
Q

Define neutralisation reaction.

A

A neutralisation reaction is a chemical reaction between an acid and a base that produces a salt and water.

Chemistry (17 decks)

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