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Y11 Organic Chemistry

Total questions: 67

Worksheet time: 36mins

Name
Class
Date
1.

the name of this compound C4H10

a)

METHANE

b)

HEXENE

c)

BUTANOIC ACID

d)

BUTANE

2.

Classify the compound based on the functional group present.

a)

alkane

b)

alkene

c)

alkyne

d)

aromatic

3.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
4.

Which homologous series contains a C=C double bond?

a)

alkanes

b)

alkenes

c)

alcohols

d)

carboxylic acids

5.

Crude oil is made up of:

a)

Ethane

b)

Butane

c)

A mixture of different hydrocarbons

d)

Extremely large hydrocarbons which are broken up once extracted

6.

A fraction of crude oil is made up of:

a)

Hydrocarbons of similar chain lengths

b)

Numbers

c)

Large hydrocarbons

d)

Alkenes only

7.

Different fractions in crude oil are separated by:

a)

Cracking

b)

Fractional Distillation

c)

Filtration

d)

Crystalisation

8.

Shorter hydrocarbons have:

a)

Higher boiling points

b)

Lower boiling points

9.

Petrol is used for:

a)

Fuel in cars

b)

Fuel in aircraft

c)

Domestic heating and cooking

d)

Road surfacing

10.

Gases/LPG are used for:

a)

Fuel in cars

b)

Fuel for large ships

c)

Roof and road surfacing

d)

Domestic heating and cooking

11.

Kerosene (paraffin) is used for:

a)

Fuel for cars

b)

Domestic heating and cooking

c)

Fuel in aircraft

d)

Fuel for large ships and in power stations

12.

Diesel oil is used for:

a)

Fuel in all cars

b)

Fuel in aircraft

c)

Road and roof surfacing

d)

Fuel in some cars and larger vehicles

13.

Fuel oil is used for:

a)

Fuel in some cars and larger vehicles

b)

Fuel for large ships and in some power stations

c)

Roof and road surfacing

d)

Fuel for cars

14.

Bitumen is used for:

a)

Fuel for large ships and in some power stations

b)

Roof and road surfacing

c)

Fuel in aircraft

d)

Fuel in cars

15.

What is the structure shown?

a)

Methane

b)

Propane

c)

Ethane

d)

Butane

16.
Petroleum and natural gas form from...
a)
strong winds
b)
cooled magma
c)
radioactive materials
d)
remains of plants and animals 
17.

Where do long chain hydrocarbons collect?

a)

At the top

b)

In the middle

c)

At the bottom

18.

Where do short chain hydrocarbons collect?

a)

At the top

b)

In the middle

c)

At the bottom

19.

What does viscosity tell you about a hydrocarbon?

a)

How easy it is to ignite

b)

How easily it flows

c)

What it's boiling point is

d)

What it's freezing point is

20.

The shorter the hydrocarbon, the more viscous it is

a)

True

b)

False

21.

What process happens as the crude oil enters the fractionating column?

a)

Evaporation

b)

Condensation

c)

Combustion

22.

What process happens at each level in the fractionating column?

a)

Evaporation

b)

Condensation

c)

Combustion

23.

What term is given to a compound which contains atoms of carbon and hydrogen only?

a)

alkene

b)

hydrocarbon

c)

alkane

d)

saturated

24.

Alkenes have the general formula:

a)

CnH2n

b)

CnH2n+1

c)

CnH2n+2

d)

CnHn

25.

Alkanes have the general formula:

a)

CnH2n

b)

CnH2n+1

c)

CnH2n+2

d)

CnHn

26.

Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture

a)

melting point

b)

boiling point

c)

freezing point

d)

chemical reactivity

27.

Molecules collected at the bottom of the fractionating column tend to be...

a)

more viscous, less flammable and less volatile

b)

less viscous, more flammable and more volatile

c)

more viscous, more flammable and less volatile

d)

less viscous, less flammable and more volatile

28.

Molecules collected at the top of the fractionating column tend to be...

a)

more viscous, less flammable and less volatile

b)

less viscous, more flammable and more volatile

c)

more viscous, more flammable and less volatile

d)

less viscous, less flammable and more volatile

29.

What are the 2 products of complete combustion?

a)

carbon dioxide + hydrogen

b)

carbon dioxide + water

c)

carbon monoxide + water

d)

carbon monoxide + hydrogen

30.

What does a fuel react with when it burns?

a)

oxygen

b)

water

c)

carbon dioxide

d)

methane

31.

What is the term given to the process by which longer chain hydrocarbons are broken down into shorter length alkanes and alkenes?

a)

fractional distillation

b)

evaporation

c)

cracking

d)

polymerisation

32.

Name the following hydrocarbon

a)

alkane

b)

pentene

c)

pentane

d)

alkene

33.

C10H22 --> C5H12 + C3H6 + ?

a)

C2H4

b)

C3H4

c)

CO2

d)

CH4

34.

When testing for alkenes (unsaturation) bromine water turns from...

a)

orange --> blue/black

b)

colourless --> pink

c)

orange --> colourless

d)

orange --> clear

35.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
36.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
37.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
38.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
39.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
40.
Give the name of this compound...
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
41.
General formula of Alkane is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
42.

Which of the following shows the structure of ethene?

a)
b)
c)
d)
43.

As the number of carbons increases in the boiling point generally...

a)

increase

b)

decrease

c)

stay the same

d)

varies

44.

Which of the following would have the highest boiling point?

a)

C3H8

b)

C4H8

c)

C5H12

d)

C22H44

45.

As the number of carbons increases the flammability generally...

a)

increase

b)

decrease

c)

stay the same

d)

varies

46.

As the number of carbons increases the viscosity generally...

a)

increase

b)

decrease

c)

stay the same

d)

varies

47.

As the number of carbons increases the volatility generally...

a)

increase

b)

decrease

c)

stay the same

d)

varies

48.

Which of the following would have the highest flammability?

a)

C3H8

b)

C4H8

c)

C5H12

d)

C22H44

49.

Which of the following would have the highest viscosity?

a)

C3H8

b)

C4H8

c)

C5H12

d)

C22H44

50.

Which of the following would have the highest volatility?

a)

C3H8

b)

C4H8

c)

C5H12

d)

C22H44

51.
Another term for burning is
a)
Fire triangle
b)
Magnesium oxide
c)
Combustion
d)
Bustion
52.
The word equation for combustion is: fuel + oxygen --> water + ________ __________
a)
Carbon dioxide
b)
Limewater
53.
How many carbon atoms are in ethane?
a)
1
b)
2
c)
3
d)
4
54.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
55.
At which pipe: M or N are hydrocarbons with lower boiling points collected?
a)
M
b)
N
56.

What is the functional group of alcohols?

a)

–NH2

b)

–COOH

c)

–CHO

d)

–OH

e)

–NO2

57.
The type of alcohol in alcoholic beverages is called
a)
fermentation
b)
detoxification
c)
ethanol
d)
vodka
58.

Name this compound...

a)

methane

b)

methene

c)

methanol

d)

methoxymethane

59.

Which microorganism can be used to produce ethanol in drinks?

a)

MRSA

b)

Yeast

c)

E. Coli

d)

Bacteria

60.

Which process makes ethanol through anaerobic respiration of yeast?

a)

Filtration

b)

Intoxication

c)

Fermentation

d)

Distillation

61.

What is the name of this alcohol?

(a)  

62.

Which is the correct functional group in alkenes?

a)

C=C

b)

OH

c)

COOH

d)

Alkenes don't have a functional group

63.

Which is the correct functional group in carboxylic acids?

a)

C=C

b)

OH

c)

COOH

d)

They don't have a functional group

64.

Which is the correct functional group in alkanes?

a)

C=C

b)

OH

c)

COOH

d)

Alkanes don't have a functional group

65.

Complete combustion of ethanol gives (a)   and water as the products

66.

What is a monomer?

a)

The process by which a polymer is made

b)

A long molecule consisting of many repeating molecules

c)

A short molecule which joins others to make long molecules

d)

A short molecule which joins others to make long atoms

67.

What is a polymer?

a)

The process by which a polymer is made

b)

A long molecule consisting of many repeating molecules

c)

A short molecule which joins others to make long molecules

d)

A long molecule consisting of many repeating atoms

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