Brainscape's Knowledge GenomeTM

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


See full index

National 5 Chemistry > Natures Chemistry > Flashcards

Natures Chemistry Flashcards

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

What is a hydrocarbon?

A

Hydrocarbons are compounds made from carbon and hydrogen only.

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

What is a homologous series?

A

A homologous series is a family of compounds with the same general formula and similar chemical properties.

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

Why do the melting and boiling points increase as the carbon number increases?

A

The larger the molecule the stronger the intermolecular forces of attraction between molecules.

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

Are alkanes soluble in water?

A

No.

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

What is a use of alkanes?

A

Fuels.

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

Alkanes and cycloalkanes are saturated, what does this mean?

A

They contain only single carbon-to-carbon bonds.

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

What is the general formula of alkanes?

A

CnH2n+2

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

What is a use for alkenes?

A

To create alcohols.

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

Alkenes are unsaturated, what does this mean?

A

They contain carbon-to-carbon double bonds.

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

What is the general formula for alkenes?

A

CnH2n

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

What is the test for unsaturation?

A

Alkenes decolourise Bromine water.

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

What is a use for cycloalkanes?

A

Fuels and solvents.

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

What is the general formula for cycloalkanes?

A

CnH2n

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

What is an addition reaction in which you add Hydrogen called?

A

Hydrogenation.

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

What is an addition reaction in which you add Bromine/Chlorine called?

A

Halogenation.

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

What is an addition reaction in which you add water called?

A

Hydration.

17
Q

What is an isomer?

A

Isomers are molecules with the same molecular formula but different structural formula.

18
Q

What is the name of functional group found in alcohols?

A

Hydroxyl functional group.

19
Q

What is a use of alcohols and why?

A

Fuels as they burn with very clean flames.

20
Q

What is the general formula of alcohols?

A

CnH2n+1OH

21
Q

What is the name of the functional group found in carboxylic acids?

A

Carboxyl functional groups.

22
Q

What are two uses of carboxylic acids?

A

Soap and Medicine.

23
Q

What is the general formula of carboxylic acids?

A

CnH2n+1COOH

24
Q

What is the name for a reaction that releases heat energy?

A

Exothermic reaction.

25
Q

What is the name for a reaction that takes in heat energy?

A

Endothermic reaction.

26
Q

If water is present what will happen to cobalt chloride paper?

A

It will change from blue to pink.

27
Q

If carbon dioxide is present what will happen to limewater?

A

It will change from clear to cloudy.

28
Q

What will an incomplete combustion cause?

A

Carbon monoxide.

29
Q

What are two other impurities found in hydrocarbons and what do they create?

A

Sulfur - Sulfur Dioxide
Nitrogen - Nitrogen Dioxide

30
Q

How do you reduce the risk of carbon monoxide?

A

Ensure there is a plentiful oxygen supply.

31
Q

How do you reduce the risk of sulfur dioxide?

A

Remove sulfur before burning.

32
Q

How do you reduce the risk of nitrogen dioxide?

A

Add a catalytic converter.

33
Q

After a halogenation addition reaction, what is the compound called?

A

Dihaloalkanes

National 5 Chemistry (9 decks)

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