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 | Amdya | Tagrawt 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.