1. Branched-Chain Hydrocarbons
ethane
propane
C6H14
b.p. = -88.3°C
b.p. = -42.2°C
3-methylpentane
b.p. = 64.0°C H C H C H C
C5H12
CH4
C5H12
pentane
methane
methylbutane
b.p. = 36.2°C
b.p. = °C
b.p. = 28.0°C

2. Branched-Chain Hydrocarbons
butane
heptane
4-methylheptane
b.p. = -0.3°C
b.p. = 98.4°C
b.p. = °C H C H C H C
C7H16
3-methylhexane
C8H18
C8H18
b.p. = 91.8°C
2,5-dimethylhexane
octane
b.p. = °C
b.p. = °C

3. Branched-Chain Hydrocarbons
nonane
C9H20
b.p. = °C
2,6-dimethylheptane
b.p. = °C H C
CH3 H C
CH3
C9H20
C8H18
3-methyloctane
2,2,4-trimethylpentane
b.p. = °C
b.p. = 99.3°C

4. Branched-Chain Hydrocarbons
2,7-dimethyloctane
4-ethylheptane
b.p. = 159.7°C
b.p. = 139.0°C H C
CH3 H C
CH3
C11H24
undecane
C10H22
b.p. = °C
decane
b.p. = °C