Alcohols, Carboxylic acids and Esters Flashcards

1
Q

What solutions do alcohols give when dissolved in water?

A

Neutral (pH7). Their molecules do not form ions.

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

What are the first three alcohols?

A

methanol (CH3OH), ethanol (CH3CH2OH), propanol (CH3CH2CH2OH)

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

What is the name given to a family of compounds containing carbon atoms?

A

Homologous series

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

What are the uses of alcohols?

A

Fuels and solvents. Ethanol appears in alcoholic drinks.

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

How is ethanol made?

A

Fermentation using yeast

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

What products do alcohols make when burnt with oxygen?

A

carbon dioxide and water

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

When balancing alcohol combustion equations, what order do you check the elements in?

A

carbons, hydrogens, oxygens

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

What is an alcohols reaction with sodium?

A

Forms hydrogen gas

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

What does ethanol react with sodium to produce?

A

sodium ethanoate and hydrogen

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

What are alcohols oxidised to form?

A

Carboxylic acids

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

What is vinegar a mixture of and how is it made?

A

ethanoic acid and water, made by reacting ethanol and oxygen

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

What is ethanoic acid?

A

Carboxylic acid

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

How do you know carboxylic acids are acidic?

A

They dissolve in water to produce hydrogen ions (-COOH becomes -COO and H+)

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

What three products do carboxylic acids form when reacted with a metal carbonate?

A

carbon dioxide, water, metal salt of the acid eg. sodium ethanoate

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

What is formed when an alcohol and a carboxylic acid react?

A

Ester eg. ethyl ethanoate

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

What are esters used for?

A

Perfumes and flavourings

17
Q

Why are esters good for their uses?

A

They are strong smelling compounds

18
Q

Why are carboxylic acids only weak acids?

A

Only some of the molecules change into ions.

19
Q

Functional group of an alcohol?

A

-OH

20
Q

Functional group of a carboxylic acid?

A

-COOH

21
Q

Functional group of an ester?

A

-COO-