Alkenes Flashcards
1
Q
Are alkenes saturated?
A
They are unsaturated
2
Q
Why are alkenes unsaturated?
A
They can make more bonds
3
Q
What is the formula for alkenes?
A
Cn H2n
4
Q
What are the first 4 alkenes?
A
Ethene
Propene
Butene
Pentene
5
Q
How can you test for an alkene?
A
Adding bromine water
The alkene with become colourless from orange
6
Q
How can ethanol be produced?
A
Ethene can be hydrated with steam
Can be produced from renewable resources
7
Q
What is fermentation?
A
Sugar is converted using yeast into ethanol
8
Q
Alkenes can be used to make?
A
Polymers
9
Q
What is polymerisation?
A
Joining together lots of small alkene molecules (monomers) to form very large molecules
10
Q
What are the long-chain molecules called which are formed through polymerisation?
A
Polymers
11
Q
What do Alkenes have?
A
C=C double bond
