Tazrart tasnulut

Tazrart tasnulut deg tekrura d tazrart n uddisen ikruraren yezdin (icerken) deg iylan, igmanen n tezrart-a mgaraden s wazal n tkura tacubrant tarmeskilt
Talkanin, Tilkinin, Talkynin yakk d tizrarin isnullin yemgaraden deg igmanen-is s wazal n 10, 12, 14 i yal tigget n tkura tabelkamt s wesnay
Amdya: Tazrart n tilkinin tessentu (tbeddu) s Umitan (CH4), ɣer itan (C2H6), Prupan (C3H8), Abutan (C4H10), Pintan (C5H12)

uddisen yellan deg yal tazrart zdin deg Yiwet n tegrawt tameẓyant n ibelkimen yettusemman tagrawt tamesɣant
Azal ameqran n iylan ikruraren i wuddisen igmanen ttuɣalen ar tegrawt-a tamellilt

Tizrarin tisnulanin Taftart tamatant AmdyaTagrawt tamellilt
Talkanin
CnH2n+2 (dgi n yuger neɣ yegda 1)
CH4, n=1
 Talkinin
CnH2n (dgi n yuger neɣ yegda 2)
C2H4, n=2
C = C
Tiɣismin
CnH2n+2O (dgi n yuger neɣ yegda 1)
CH4O, n=1
 OH-
izeffaren ikaṛbuksiliyen
CnH2nO2 (dgi n yuger  neɣ yegda 1)
CH2O2, n=1
 COOH-
Dgi n yesgenses uṭṭun n ibelkimen n Ukaṛbun.