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Hydrocarbons

Total questions: 27

Worksheet time: 16mins

Name
Class
Date
1.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
2.
How many carbon atoms are in propane?
a)
1
b)
2
c)
3
d)
4
3.
Hydrocarbons are compounds that contain
a)
  Carbon and Nitrogen
b)
Carbon and Hydrogen 
c)
  Carbon, and Oxygen
d)
Carbon, Oxygen, and  Hydrogen 
4.
At which pipe: M or N are hydrocarbons with lower boiling points collected?
a)
M
b)
N
5.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
6.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
7.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
8.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
9.
Which of the following would have the highest melting point?
a)
C3H8
b)
C4H8
c)
C5H12
d)
C22H44
10.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
11.
Which one of the following is saturated?
a)
water
b)
C4H8
c)
C4H10
d)
C5H8
12.
Which of the following does not contain only carbon and hydrogen
a)
alkanes 
b)
alkenes
c)
alkynes
d)
alkanols
13.

What term describes alkene molecules that contain a C=C double bond?

a)

saturated

b)

unsaturated

14.

Alkanes have the general formula:

a)

CnH2n

b)

CnH2n+1

c)

CnH2n+2

d)

CnHn

15.

What process is used to separate crude oil in hydrocarbons with different chain lengths?

a)

distillation

b)

fractional distillation

c)

cracking

d)

polymerisation

16.

Where in the fractionating column are shorter chain hydrocarbon molecules obtained?

a)

At the top

b)

At the bottom

17.

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

18.

What does a fuel react with when it burns?

a)

oxygen

b)

water

c)

carbon dioxide

d)

methane

19.

Name the following hydrocarbon

a)

alkane

b)

pentene

c)

pentane

d)

alkene

20.

Name the following hydrocarbon

a)

butane

b)

hexane

c)

heptane

d)

hexene

21.

C10H22 --> C5H12 + C3H6 + ?

a)

C2H4

b)

C3H4

c)

CO2

d)

CH4

22.

Name this compound

a)

methane

b)

propane

c)

ethane

d)

ethene

23.

C4H10 is an example of a _________________.

a)

molecular formula

b)

full structural formula

c)

shortened structural formula

d)

ball-and-stick model

24.

What is the ending (suffix) for single bonded hydrocarbons?

a)

-yne

b)

-ene

c)

-ane

d)

-one

25.
How many carbons are in the backbone (longest chain) of this organic compound: 2,3,3-triethyl-4-nonene
a)
2
b)
6
c)
7
d)
9
26.

The fuel manufactured from plants is called

a)

Biodiesel

b)

Organic diesel

c)

biogasoline

d)

methane

e)

None of the above

27.

The branch of hydrocarbons that form multi-sided rings are called

a)

Cycloalkanes

b)

Circlealkanes

c)

Cyclohexanes

d)

just hydrocarbons

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