Worksheets7.1_Alkanes and Alkenes
Total questions: 21
Worksheet time: 12mins
Name
Class
Date
1.
Which of the following shows the structure of ethene?
a)
b)
c)
d)
2.
The first member of the alkene series is methene.
a)
True
b)
False
3.
General formula of Alkene is
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
4.
Which of the following is unsaturated hydrocarbon ?
a)
propane
b)
propene
c)
propanol
d)
propanoic acid
5.
Alkanes molecules are held together by
a)
metallic bonds
b)
Van der Waals forces of attraction
c)
covalent bonds
d)
ionic bonds
6.
Alkanes react with excess oxygen to form
a)
carbon dioxide and water
b)
salt and water
c)
carbon monoxide and soot
d)
metal hydroxide and hydrogen
7.
Possible products of INCOMPLETE combustion
a)
Carbon (C)
b)
Carbon Monoxide (CO)
c)
Carbon Dioxide (CO2)
d)
Water (H2O)
8.
If an alkene has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
9.
Which of the following would have the highest melting point?
a)
C3H8
b)
C4H8
c)
C5H12
d)
C22H44
10.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
11.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
12.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
13.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
14.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
15.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
16.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
17.
What chemical is this? (C5H10)
a)
Pentene
b)
Pentane
c)
Hexane
d)
Heptene
18.
Give the name of this compound...
C3H8
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
19.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
20.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
21.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
100 %
