Alkenes Flashcards
1
Q
What are alkenes
A
They are hydrocarbons with a carbon double bond
They are unsaturated as they can make more bonds
2
Q
What are the first three alkenes
A
Ethene
Propene
Butene
3
Q
What is an isomer
A
When two molecules have identical molecular formulas but different structures
4
Q
What is made when u react halogens with alkenes
A
Haloalkanes
They are additional reactons
Eg ethene + bromine = dibromoethane
5
Q
How do you test for carbon double bond
A
Shake alkene with orange bromine water solution becomes colourless
Alkene + bromine = dibromoalkane which is colourless
