Alcanos

1. Alcanos
Fórmula
condensada
Fórmula Semidesarrollada
Fórmula
desarrollada
Representación
Metano CH4
H
I
H - C – H
I
H
H
I
H - C – H
I
H
Etano C2H6 CH3 – CH3
H H
I I
H - C – C – H
I I
H H
Propano C3H8 CH3 – CH2 - CH3
H H H
I I I
H - C - C – C – H
I I I
H H H

2. Butano C4H10 CH3 – CH2 – CH2 –CH3
H H H H
I I I I
H – C – C – C – C - H
I I I I
H H H H
Pentano C5H12 CH3 – CH2 – CH2 – CH2 - CH3
H H H H H
I I I I I
H - C – C – C – C – C - H
I I I I I
H H H H H
Hexano C6H14 CH3 – CH2 – CH2 – CH2 - CH2 - CH3
H H H H H H
I I I I I I
H – C – C – C – C – C – C - H
I I I I I I
H H H H H H
Heptano C7H16 CH3 –CH2 – CH2 – CH2 -CH2 - CH2 - CH3
H H H H H H H
I I I I I I I
H – C – C – C – C – C – C -C- H
I I I I I I I
H H H H H H H