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

3. Aldegid va ketonlarning oksidlanish darajasi va gibridlanishini aniqlash.
1. Quyidagi molekulalarning qaysilarida sp²-gibrid holidagi uglerod atomi bor?

1) etan 2) etilen 3) aseton 4) siklobutan

A) l va 2 B) 1 va 3 C) l va 4 D) 2 va 3 E) 2 va 4

2. Sirka aldegidda nechta σ- va π-bog’ bor?

A) 7 ta σ B) 6 ta σ- va 1 ta π C) 5 ta σ- va 2 ta π

D) 1 ta σ- va 6 ta π E) 5 ta σ- va 1 ta π

3. Karbonil guruxdagi uglerod atomining gibridlanish turini ko’rsating. Undagi uglerod atomining oksidlanish darajasini toping.

A) sp³,+l B) sp²;+2 C)sp;-l D)sp³;0 E)sp²,+l

4. 2-metilpropanaldagi birinchi, ikkinchi va uchinchi uglerod atomlarining oksidlanish darajalarini ko’rsating.

A) -3-2-1 B) +2,0,-2 C) -1,-2,+2 D) 0,+3,-3 E) +1,-1,-3

5. Vinilformiat molekulasidagi uglerod atomlarining oksidlanish darajasi yig'indisini aniqlang. A) 0 B)-2 C)-1 D)+l

6. Metilformiat molekulasidagi uglerod atomlarining oksidlanish darajasi yig'indisini toping. A) 0 B)+2 C)-1 D)-3

7. CH₃CH₂CHO moddaning tarkibidagi uglerod atomlarining oksidlanish darajasini yig`indisini toping. A) – 5 B) – 6 C) – 4 D) – 3

8. CH₃CH₂CHO va CH₃COCH₃ tarkibli moddalardagi uglerod elementlarning oksidlanish darajasi yig`indisi qanday bo`ladi?

A) + 6 B) – 5 C) + 4 D) – 4

9. CH₃CH₂CHO va CH₃COCH₃ tarkibli moddalardagi barcha elemetlarning oksidlanish darajasi yig`indisi qanday bo`ladi?

A) 0, 0 B) 0, -1 C) 0, -2 D) -2, -2

10. CH₃CH₂CHO modda tarkibidagi barcha elementlarni oksidlanish darajasini yig`indisini ikkinchi uglerod atomiga nisbati qanday bo`ladi?

A) – 2 B) 0 C) – 1 D) + 2

11. Sirka aldegiddagi uglerod atomlarining gibridlanish turini aniqlang.

A) sp², sp² B) sp³, sp² C) sp³, sp³ D) sp, sp

12. CH₃CHO tarkibli moddaning tarkibidagi uglerod atomlarining gibridlanish turini “s” orbitallar sonini toping.

A) sp², sp³, 3 B) sp², sp³, 2 C) sp², sp³, 1 D) sp², sp³, 4

13. CH₃COCH₃ moddaning tarkibidagi barcha uglerod atomlarini gibridlanish turini aniqlang. A) sp³, sp, sp² B) sp³, sp³, sp³ C) sp³, sp, sp D) sp³, sp², sp³

14. CH₃COCH₃ modda tarkibidagi ikkinchi uglerod atomini gibridlanishini va oksidlanish darajasini aniqlang.

A) sp², +2 B) sp², +1 C) sp², -2 D) sp², 0

15. CH₃CH₂CH₂CH(CH₃)COH tarkibli moddadagi birinchi va beshinchi uglerod atomlarining oksidlanish darajasi yig`indisini toping.

A) – 3 B) – 2 C) + 3 D) – 4

16. Chumoli aldegidi (formaldegid) dagi uglerod qanday gibridlangan?

A) sp² B) sp C) sp² D) sp va sp²