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WorksheetsC10.1 GCSE Reactions of Alkenes AQA 8462
Total questions: 16
Worksheet time: 12mins
Name
Class
Date
1.
What kind of molecule is this?
a)
alkane
b)
alkene
c)
alkyne
d)
cycloalkane
2.
How many double bonds in the compound?
a)
1
b)
6
c)
12
d)
5
3.
Is this hydrocarbon saturated or unsaturated?
a)
saturated
b)
unsaturated
4.
What is the general formula of an alkene
a)
2n+2
b)
CnH2n+2
c)
CnH2n
d)
CnHn
5.
What is the AQA definition of saturated?
a)
No single bonds
b)
Contains Carbon-Carbon double bond
c)
All Carbon-Carbon bonds are double
d)
All Carbon-Carbon bonds are single
6.
What are the products of complete combustion?
a)
SO2 + H2O
b)
H2O
c)
CO
d)
CO + H2O
e)
CO2 + H2O
7.
When does incomplete combustion occur?
a)
Lack of oxygen
b)
Excess oxygen
c)
Depends
d)
Lack of fuel
8.
What is the process of breaking down a long hydrocarbon into smaller hydrocarbons
a)
Cracking
b)
Fracking
c)
Combustion
d)
Oxidation
e)
Distillation
9.
What are the products of cracking?
a)
Bromine water
b)
Short alkanes and alkenes
c)
Branched alkenes
d)
Polymers
e)
Alkanes only
10.
What are the two types of cracking?
a)
Catalysis and stream
b)
Catalytic and steam
c)
Redox and cracking
d)
Redox and catalytic
11.
How do you test for an alkene?
a)
React it with oxygen
b)
React it with litmus paper
c)
React it with bromine water
d)
pH test
12.
What is the colour change when an alkene reacts with bromine water?
a)
Turns clear
b)
Turns orange
c)
From colourless to orange
d)
From orange to colourless
e)
Turns colourless
13.
What does an alkene have that an alkane does not?
a)
Electrons
b)
Less reactive
c)
Oxygen
d)
Double C=C bond
e)
Single C-C bond
14.
A hydrocarbon that contains a double bonds is also known as…?
a)
Alkane
b)
Wet
c)
Unsaturated
d)
Saturated
15.
What are the first 3 alkenes in increasing carbon chain length?
a)
Methene, ethene, propene
b)
Ethene, propene, pentene
c)
Ethene, propene, butene
d)
Butene, ethene, propene
e)
Methene, ethene, propane
16.
What conditions are necessary in the reaction of alkenes with hydrogen?
a)
300°C, Iron catalyst
b)
60°C, Nickel catalyst
c)
600°C, High pressure
d)
Low temperature, Nickel catalyst
e)
600°C, High temperature
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