Bunyod jabborov umumiy kimyo

2020-yil savollaridan.

1. Dimetilfarmamid molekulasidagi sp³-sp³qoplanishlar sonini toping?

A) 0 B) 3 C) 1 D) 2

2. Dimetilfarmamid molekulasidagi sp³-sp²qoplanishlar sonini toping?

A) 0 B)1 C) 2 D) 3

3. Dimetilfarmamid molekulasidagi sp²-sp²qoplanishlar sonini toping?

A) 0 B)1 C) 2 D) 3

4. molekulasidagi sp³-s qoplanishlar sonini toping? A) 0 B) 8 C) 6 D)7
5. Dimetilfarmamid molekulasidagi sp³ gibrid orbitallar sonini toping?

A) 8 B) 12 C) 16 D) 20

6. Dimetilfarmamid molekulasidagi sp² gibrid orbitallar sonini toping.

A) 3 B) 15 C)6 D) 9

7. gibridlanish o`zgarishiga mos keluvchi qatorni toping.

A)

B)

C)

D)

8. gibridlanish o`zgarishiga mos keluvchi qatorni toping.

A)

B)

C)

D)
9. gibridlanish o`zgarishiga mos keluvchi qatorni toping.

A)

B)

C)

D)
10. molekulasini hosil qilishda nechtadan orbitallar qatnashgan?.

A)2, 4, 2, 7 B) 2, 4, 2, 8

C)2, 2, 2, 7 D) 2, 2, 2, 8
11. molekulasini hosil qilishda nechtadan orbitallar qatnashgan?.

A)2, 2, 1, 7 B) 2, 2, 4, 8

C)2, 2, 1, 8 D) 2, 1, 1, 7
12. molekulasini hosil qilishda nechtadan orbitallar qatnashgan?.

A)3, 2, 1, 7 B) 3, 2, 2, 8

C)3, 2, 1, 8 D) 3, 1, 1, 6
13. 3 – davr elementining oksidi () tarkibida elektronlar soni nisbati 4:3 bo`lsa, noma’lum element atomining sirtqi orbitallari qanday qanday gibridlangan?.

A) B) C) D)
14. 2 – davr elementining oksidi () tarkibida elektronlar soni nisbati 3:2 bo`lsa, noma’lum element atomining sirtqi orbitallari qanday qanday gibridlangan?.

A) B) C) D)
15. 2 – davr elementining oksidi () tarkibida elektronlar soni nisbati 1:1 bo`lsa, noma’lum element atomining sirtqi orbitallari qanday qanday gibridlangan?.

A) B) C) D)
16. Berilgan tartibda bog` hosil qilgan orbitallar soni qanday o`zgaradi?.

a)ortadi; b) kamayadi; c) o`zgarmaydi

A)1a, 2a, 3a B) 1b, 2b, 3b

C) 1c, 2a, 3a D) 1c, 2a, 3b

17. Bog` hosil qilgan orbitallar soni qanday o`zgaradi

a)ortadi; b) kamayadi; c) o`zgarmaydi

A)1b, 2c, 3c B) 1b, 2a, 3c

C) 1b, 2c, 3b D) 1b, 2c, 3a

18. molekulasida bog` hosil qilgan va qilmagan gibrid orbitallar soni nisbatini toping.

A)3:2 B) 3:1 C) 4:5 D) 1:1

19. molekulasida bog` hosil qilgan va qilmagan gibrid orbitallar soni nisbatini toping.

A)3:2 B) 3:1 C) 4:5 D) 1:1

20. molekulasida bog` hosil qilgan va qilmagan gibrid orbitallar soni nisbatini toping.

A)3:2 B) 3:1 C) 4:5 D) 1:1

21. molekulasida bog` hosil qilgan va qilmagan gibrid orbitallar soni nisbatini toping.

A)3:2 B) 3:1 C) 4:5 D) 1:1

22. Ammiak molekulasi ammoniy ioniga aylanganda valent burchak qiymati necha gradusga o`zgaradi?.

A)2,28 B) 4,28 C) D) 3,28 J:
23. Suv molekulasi gidroksoniy ioniga aylanganda valent burchak qiymati necha gradusga o`zgaradi?.

A)2,5 B) 4,28 C) D) 3,28 J:
24. Metil radikali metan molekulasiga aylanganda valent burchak qiymati necha gradusga o`zgaradi?.

A)10,72 B) 4,28 C) D) 3,28 J:
25. Suv molekulasidagi gibrid orbitallar geometriyasi qanday?.

A)burchakli B) uchburchakli piramida

C) chiziqli D) tetraedr
26. Ammiak molekulasidagi gibrid orbitallar geometriyasi qanday?.

A)burchakli B) uchburchakli piramida

C) chiziqli D) tetraedr
27. Vodorod xlorid molekulasidagi gibrid orbitallar geometriyasi qanday?.

A)burchakli B) uchburchakli piramida

C) oktaedr D) tetraedr
28. Qaysi moddalar uchun valent burchak 109⁰ ga teng? a) olmos; b) ammiak; c) suv; d) kremniy (IV) oksid

A) a, d B) a, b C) b, c D) c, d
29. Markaziy atomning gibridlanishi sp³, sp², sp tipida bo‘lgan molekulalar tartibini ko‘rsating.
A) H₂O, BF₃, BeCl₂ B) CH₄, BeF₂, BH₃

C) NH₃, BeH₂, BCl₃ D) BF₃, H₂O, CO₂

30.Qaysi qatorda bog‘lanishning valent burchagi ortib boradi?

A) H₂O, NH₃, CH₄, grafit, karbin

B) H₂O, NH₃, SiH₄, karbin, grafit

C) CH₄, NH₃, H₂O, benzol, fullerin

D) NH₃, CO₂, H₂O, benzol, grafit