Bunyod jabborov umumiy kimyo

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2020-yil savollaridan.

1. molekulasida qutbsiz, qutbli va ion bog`lar soni nisbatini toping.

A) 1:6:1 B) 1:6:2 C) 1:7:1 D) 1:7:2

2. molekulasida qutubli va qutubsiz kovalent bog`lar soni nisbatini aniqlang.

A) 2:1 B) 6:1 C) 3:1 D) 4:1

3. ( molekulasida ion, qutubli kovalent va donor-akseptor bog`lanishlar soni nisbatini aniqlang.

A) 1:6:1 B) 1:6:2 C) 1:7:1 D) 1:7:2

4. Oddiy moddalarda kimyoviy bog`larning qaysi turi hosil bo`lishi mumkin?.

1)ionli 2)qutbsiz kovalent; 3)qutubli kovalent 4)metall; 5) donor – akseptor; 6)vodorod bog`

A) 1,2,6 B) 2,4,5 C) 2,4 D) 1,5,6
5. Suv molekulasi nechta vodorod bog`lanish hosil qiladi?.

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

6. Suyuq holatdagi ammiak molekulasi nechta vodorod bog`lanish hosil qiladi?

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

7. element atomlari uchun to`yinuvchanlik darajasi nechaga teng?.

A)2; 3 B) 4; 3 C) 4; 4 D) 4;5

8. birikmada element o`rnida qatorida bog` uzunligi va bog` energiyasi qanday o`zgaradi?.

A)ortadi, ortadi B) kamayadi, ortadi

C) ortadi, kamayadi D) kamayadi, kamayadi
10. birikmada element o`rnida qatorida bog` uzunligi va bog` energiyasi qanday o`zgaradi?.

A)ortadi, ortadi B) kamayadi, ortadi

C) ortadi, kamayadi D) kamayadi, kamayadi
11. element o`rnida qatorida vodorod bog` mustahkamligi qanday o`zgaradi?.

A) kamayadi B) o`zgarmaydi

C) ortadi D) ortadi, kamayadi

nechtasi ichki molekulyar vodorod bog`lanish hosil qiladi?

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

13. 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
14. Elektron konfiguratsiyasi 1s²2s²2p³bo‘lgan atom almashinish mexanizmida nechta kovalent bog’lanish hosil qiladi?

A) 3 B) 6 C) 4 D) 5
15. Metallmasning H bilan hosil qilgan molekulasida 14 ta elektron bo‘lib, shundan 10 tasi bog‘lanish hosil qilgan. Birikmani toping.

A) eten B) fosfin C) etin D) silan

16. Tarkibida mos ravishda quyidagicha bog‘lanish bo‘lgan moddalar uchligini ko‘rsating: qutbsiz kovalent, qutbli kovalent, ion bog‘lanish.

A) H₂, CaO, CaCl₂ B) Cl₂, HF, NaCl

C) H₂O, Cl₂, NaCl D) NH₃, N₂, H₂S
17. Tarkibida ion va qutbsiz kovalent bog‘lanish bo‘lgan moddalar juftligini ko‘rsating.

A) CaC₂ va FeS₂ B) CuF₂ va ClF₃

C) BaO₂ va H₂O₂ D) va Ca₃N₂

18. Qaysi zarrachalar tarkibida ion va qutbli kovalent bog‘lanish mavjud?

A) FeS₂ va CaC₂B) NH₄NO₃ va Al₂(SO₄)₃

C) NaOH va CaF₂ D) NH₃ ∙ H₂O va NH₄Cl
19. Qaysi moddalarda ichki molekulyar vodorod bog‘lanish mavjud?

a) b)

c) d)
A) a, b, c B) c, d C) a, b, c, d D) b, c, d

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