13.3 - Reactions of alkenes Flashcards
1
Q
What is needed for an alkene to become an alkane?
A
Hydrogen
A nickel catalyst
2
Q
How do you test for the presence of a c=c double bond?
A
Add bromine water dropwise
The orange colour should disappear (the bromine is decolourised)
3
Q
What is needed for an alkane to become a haloalkane
A
A halogen
UV radiation
4
Q
What reaction takes place when an alkane becomes a haloalkane?
A
Radical substitution
5
Q
What reaction takes place when an alkene becomes an alkane by the addition of hydrogen?
A
Hydrogenation addition reaction
6
Q
What is the reaction name when an alkene becomes a haloalkane?
A
Electrophilic addition
7
Q
In a hydration reaction, what do alkene react with?
A
Steam, H2O(g)
8
Q
What is needed for a hydration reaction to occur?
A
Phosphoric acid
9
Q
What is the formula of phosphoric acid?
A
H3PO4
