1.
2-pentena: CH3-CH=CH-CH2-CH3
2,3,3-trimetil-1-butena:
CH3 CH3
CH2=C-----C-----CH3
CH3
2.
C5H10:
de pozitie:
CH2=CH-CH2-CH2-CH3, 1-pentena
CH3-CH=CH-CH2-CH3, 2-pentena
de catena:
CH2=C-CH2-CH3, 2-metil-1-butena
CH3
CH3-C=CH-CH3, 2-metil-2-butena
CH3
3.
omolgi
nu prezinta