Alkanes Flashcards
1
Q
What are alkanes?
A
Chains of carbon atoms surrounded by hydrogen atoms (hydrocarbons).
2
Q
General formula of alkanes
A
CnH2n+2
3
Q
What are the first five alkanes?
A
Methane, ethane, propane, butane, pentane
4
Q
What does saturated mean?
A
Single bonds between carbon atoms
5
Q
How do alkanes burn?
A
They make up the majority of hydrocarbons in crude oil and tend to combust completely in a good supply of oxygen.
6
Q
What do alkanes and halogens produce?
A
Haloalkanes
7
Q
What condition is required for chlorine and bromine to react with alkanes?
A
Ultraviolet light
8
Q
What happens in these reactions?
A
A hydrogen atom from the alkane is substituted with chlorine or bromine.
9
Q
Bromine + methane –>
A
Bromomethane + hydrogen bromide
10
Q
Propane + oxygen –>
A
carbon dioxide + water
