Halogens reacting with Alkenes Flashcards
1
Q
What do halogens react with alkenes to make?
A
- Haloalkanes
2
Q
What do Bromine and Ethene react to form?
A
- Dibromoethane
3
Q
Is dibromoethane an additional reaction?
A
Yes
4
Q
Why is dibromoethane an additional reaction?
A
- because the C=C double bond is split and a halogen atom is added to each of the carbons
5
Q
What is the reaction between bromine and alkenes often used as a test for?
A
- carbon-carbon double bonds
6
Q
What happens when shake an alkene with orange bromine water?
A
- the solution becomes colourless
- because the bromine molecules, which are orange, are reacting with the alkene to make dibromoaklane which is colourless.
7
Q
Why do alkenanes not react with bromine water
A
- dont have a double bond
8
Q
What would happen if you added an alkane to bromine water?
A
- the solution will stay orange
