WorksheetsAlkanes and Alkenes
Total questions: 10
Worksheet time: 5mins
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.
Methane reacts with chlorine in substitution reaction. Which of these is an essential condition?
a)
An acid catalyst
b)
A low temperature
c)
UV light
d)
A low pressure
7.
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
8.
Possible products of INCOMPLETE combustion
a)
Carbon (C)
b)
Carbon Monoxide (CO)
c)
Carbon Dioxide (CO2)
d)
Water (H2O)
9.
If an alkene has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
10.
Which of the following would have the highest melting point?
a)
C3H8
b)
C4H8
c)
C5H12
d)
C22H44
100 %
