Iv. Aromatik uglevodorodlar bobi. (Arenlar). Arenlarning gomologlariga oid

*********************Uglevodlar bobi.*************************
1. Uglevodlarning oksidlanish darajasi va gibridlanishi.
1. Glyukoza molekulasida uglerod atomlari gibridlanishning qaysi turi mavjud?

1. sp 2. sp² 3. sp³ A) l B) 2 C) 3 D) 1,2 E) 2,3

2. Glyukozaning siklik shakldagi molekulasida uglerod atomlari qanday turdagi gibridlanish xalatida bo’ladi? 1) sp³; 2) sp²: 3) sp A) 1 B) 1,3 C) 3 D) 1.2 E) 2

3. Glyukoza molekulasidagi oltinchi uglerod atomining oksidlanish darajasini toping.

A) -2 B) -1 C) +2 D) +1

4. Dezoksiribozaning aldegid shaklidagi birinchi uglerod atomining oksidlanish darajasini va uning gibridlanish holatini ko'rsating.

A) -3, sp³ B) +1, sp³ C) +1, sp² D) -1, sp²

5. Ochiq zanjirli glyukoza molekulasidagi uglerod atomining oksidlanish darajalari yig`indisini toping. A) – 1 B) + 1 C) 0 D) – 4

6. Ochiq zanjirli fruktoza molekulasidagi karbonil guruh tutgan uglerodni gibridlanish turi va bog` hosil qilishda qatnashgan orbitallar sonini toping. A) sp² 4 ta B) sp³ 4 ta C) sp³ 3 ta D) sp² 3 ta

7. Dezoksirboza molekulasidagi uglerod atomining oksidlanish darajasi yig`indisini toping.

A) – 1 B) – 2 C) 0 D) + 1

8. Fruktozadagi sp² gibridlangan uglerod atomining oksidlanish darajasini aniqlang.

A) 0 B) + 1 C) + 2 D) sp² uglerod atomi yo`q

9. Monosaxaridlarda kislorod atomlari qanday gibridlanish xolatida bo`ladi va uning oksidlanish darajasi qanday? A) sp -2 B) sp² -2 C) sp³ -2 D) sp² +2

10. D – riboza molekulasidagi beshinchi uglerod atomining gibridlanish turi va oksidlanish darajasini aniqlang. A) sp³ +1 B) sp² +1 C) sp² -1 D) sp³ -1