Răspuns:
ALCANI
metan CH4
etan CH3-CH3
propan CH3-CH2-CH3
butan CH3-CH2-CH2-CH3
ALCHENE
etena CH2=CH2
propena CH2-CH-CH3
butena CH2=CH-CH2-CH3
pentena CH3-CH=CH-CH2-CH3\
ALCHINE
etina CH≡CH
propina CH≡C-CH3
butina CH3-C≡C-CH3
pentina CH3-CH2-C≡C-CH3
AROMATICE
benzen C6H6
metil benzen C6H5-CH3
xilen C6H4-(CH3)2
naftalina C10H8
Explicație: