a)
CH3
A' = CH3 -C-CH3
CH3
B' = CH3-C≡C-CH2-CH3
H3C H
C' = C=C
H CH3
b)
p s s p
A= CH3-CH2-CH-CH3
p CH3
t q s s p
B= HC≡C-CH2-CH2-CH3
p t t p
C= CH3-CH=CH-CH3
c)
A' = catena saturata aciclica ramificata
B' = catena nesaturata aciclica liniara
C' = catena nesaturata aciclica orientata
d)
σ π σ 2σ σ 2σ σ 3σ
B= HC≡C-CH2-CH2-CH3
π
leg. σ = 12
leg. π = 2