I. Alkanlar bobi. Alkanlarning nomenklaturasi

5. Quyidagi uglevodorodlardan geometrik izomerlari mavjud bo’lganlarini tanlang.
1) 2-metilpentadiyen-1.4 2) 3- metilpentadiyen -1.3 3) 2-metilbutadiyen-1.3 4) 4-metilpenten-2 5) 4-metilpentadiyen -1.3 6) pentadiyen - 1.3 7) 4-metil-2-etilpentadiyen-1.3
A) 2.4.6 B) 3.5.6 C) 1.2.4.7 D) 1.3.5.7
6. Butadien-1,2 ga izomer bo`lgan moddani aniqlang.
A) butadien-1,3 B) buten-1
C) propadien D) pentadiyen-1,3
7. Pentadiyen-1,4 ga izomer bo`lgan moddani aniqlang.
A) C4H8 B) C5H10 C) C5H8 D) C6H14
8. 3-metil pentadien-1,3 qaysi moddaga izomer hisoblanadi.
A) C6H10 B) C6H12 C) C6H14 D) C6H8
9. C5H8 tarkibli moddani nechta izomeri bo’lishi mumkin?
A) 6 B) 4 C) 3 D) 5
10. C4H8 moddaga izomer bo`la oladigan moddani aniqlang.
A) butadien-3,3 B) butadien-3,4
C) butadien-1,3 D) A, B
3. Alkadiyenlarning gibridlanishi va oksidlanish darajasiga oid.
1. Butadien-1,2 da uglerod atomi qanday gibridlangan holatda bo’ladi?
A) faqat sp2 B) sp3 va sp C) faqat sp D) sp, sp2 va sp3
2. Pentadien-1,4 molekulasida nechta uglerod atomi sp2 gibridlangan holatda bo’ladi?
A) 4 B) 5 C) 3 D) 2
3. 1,3-butadien molekulasidagi ikkinchi va uchinchi uglerod atomlarining gibridlanish turi qanday?
A) sp3 B) sp2 C) sp D) spd
4. Butadien-1,3 molekulasidagi σ va π-bog’larni hosil qilishda qatnashgan s-, p-, sp3-, sp2- va sp-orbitallar sonini ko’rsating.
1) s - 6 ta; 2) p - 2 ta; 3) p - 4 ta; 4) sp - 2 ta; 5) sp - yo’q; 6) sp - 12 ta; 7) sp2-12 ta;
8) sp2-10 ta; 9) sp2-6 ta; 10) sp2-yo’q; 11) sp3-yo’q; 12) sp3-2 ta; 13) sp3-4 ta
A) 1,2,4,7,11 B) 1,3,4,8,12 C) 1,3,5,7,11 D) 1,2,5,9,13
5. Geksadien molekulasidagi sp3-orbitallarda nechta bog’lovchi elektronlar qatnashadi?
A) 12 yoki 13, yoki 14 yoki 19 yoxud 20 B) 14 yoki 16, yoxud 20 yoki 22 C) 4 yoki 8, yoxud 12 D) 8 yoki 12, yoxud 18, yoki 20
6. Butadien-1,2 da uglerod atomlarining gibridlanish turi ko’rsatilgan qatorni toping.
A) sp2, sp2, sp2, sp2 B) sp2, sp, sp2, sp3
C) sp, sp3, sp2, sp2 D) sp3, sp2, sp, sp2
7. Butadien-1,3 molekulasidagi uglerod atomlarini gibridlanish turini aniqlang.
A) sp, barchasi B) sp2 va sp3
C) sp2, barchasi D) to`g`ri javob yo`q
8. Pentadien-1,4 da nechta uglerod atomi sp3 gibridlangan holatda bo`ladi?
A) 2 ta B) 3 ta C) 1 ta D) hammasi
9. 2,3-dimetilbutadien-1,3 dagi radikal tarkibidagi uglerod atomlarini gibridlanishini aniqlang.
A) sp3, sp2 B) sp3, sp C) sp2, sp D) sp3, sp3
10. 3-metil butadien-1,2 molekulasidagi uglerod atomlarini gibridlanish turlarini aniqlang.
A) sp2, sp, sp2, sp3, sp3 B) sp2, sp, sp2, sp3, sp2
C) sp2, sp, sp2, sp3, sp D) sp2, sp, sp2, sp2, sp3