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Worksheets

Hydrocarbons

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which is ethene?

a)

C2H2

b)

C2H4

c)

C2H6

d)

C2H8

2.

What is the formula of propyne?

a)

C3H8

b)

C3H3

c)

C3H6

d)

C3H4

3.

What is the name of the third member of alkenes?

a)

Propane

b)

propene

c)

propyne

d)

butene

4.

What is the general formula of alkanes?

a)

CnH2n+2

b)

CnH2n

c)

CnH2n-2

d)

CnH2+2

5.

The colour of bromine water in ethane is ______

a)

Colourless

b)

pink

c)

white

d)

brown

6.

The colour of bromine water in ethene is_____

a)

Colourless

b)

pink

c)

white

d)

brown

7.

The difference between each member in a homologous series is ____

a)

CH

b)

CH2

c)

CH3

d)

C2H2

8.

Compounds in a homologous series will have the same

a)

General formula

b)

atoms

c)

functional group

d)

all of the above

9.

Name this molecule:

a)

methane

b)

ethane

c)

propane

d)

butane

10.

If an alkane has 10 carbon atoms, how many hydrogen atoms will it have?

a)

20

b)

22

c)

40

d)

42

11.

Is the name of single bonded, saturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Tanins

12.

Is the name of doubled bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Allkynes

d)

Tanins

13.

Is the name of triple bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Tanins

14.
Hydrocarbons are compounds that contain
a)
  Carbon and Nitrogen
b)
Carbon and Hydrogen 
c)
  Carbon, and Oxygen
d)
Carbon, Oxygen, and  Hydrogen 
15.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
16.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
17.
Give the name of this compound...
C3H8
a)
Propene
b)
Butyne
c)
Butene
d)
Propane
18.

What is the general formula for saturated hydrocarbons?

a)

CnH2n

b)

CnHn+1

c)

CnH2n+1

d)

CnH2n+2

19.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

20.
General formula of Alkene is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH