Răspuns:
la acelasi atom de carbon
=CH-CH2-CH2-CH2-CH3
pentiliden
I
CH3-C-CH2-CH2-CH3
I
I
CH3-CH2-C-CH2-CH3
I
la atom de carbon diferiti
-H2C-CH-CH2-CH2-CH3
I
1-2 pentandiil
H3C-CH-CH-CH2-CH3
I I
2-3 pentandiil
H3C-CH-CH-CH2-CH2-
I
2-5 pentandiil
- H2C-CH-CH-CH2-CH2-
1-5 pentandiil
- H2C-CH-C-CH2-CH3
I
1-3 pentandiil
Explicație: