Ldi umuɣ agejdan

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.