11-
22
11.2 Alkanes, C
n
H
2n+2
The title shows the general formula for a
chain alkane.
The first ten alkanes are:
methane
CH
4
hexane C
6
H
12
ethane
C
2
H
6
heptane
C
7
H
16
propane
C
3
H
8
octane
C
8
H
18
butane
C
4
H
10
nonane
C
9
H
20
pentane
C
5
H
12
decane
C
10
H
22