Kimyoviy bog‘lanish

DTM 2014
1. Quyidagi moddalarni kristall panjara turlari bilan juftlab ko’rsating.
1) kremniy(IV)oksid 2) suv 3) kalsiy 4) sirka kislota 5) bertole tuzi 6) uglerod
a) molekulyar b) atom c) ion d) metall
A) 1-a, 2-a, 3-d, 4-a, 5-c, 6-a
B) 1-b, 2-a, 3-d, 4-a, 5-c, 6-b
C) 2-b, 2-a, 3-c, 4-a, 5-c, 6-b
D) 1-b, 2-d, 3-d, 4-a, 5-c, 6-b

2. Qaysi moddalar atom kristallga ega?

A) C, SiC, P(qizil) B) C, Si, P₄(oq)
C) CO, S₈, P₄(oq) D) H₂, C, O₂

3. Olmos, grafit, karbindagi kristall panjaraning shakli, gibridlanish turi va valent burchaklari mos ravishda to’gri ko’rsatilgan javobni aniqlang.

1) tetraedr; geksagonl qatlamli; chiziqli polimer; 2) sp³, sp², sp
3) 120⁰, 180⁰, 109,5⁰ 4) piramida, chiziqli polimer, geksagonal qatlamli 5) sp³, sp, sp² 6) 109,5⁰, 120⁰, 180⁰
A) 4,2,3 B) 1,2,3 C) 4,5,6 D) 1,2,6

4. Ion kristall panjarali moddalarni belgilang.

A) C, SiO₂, HCl B) NaOH, K₂SO₄, BaCl₂
C) H₂, O₃, H₂SO₄ D) Mg(OH)₂, H₂O, H₂SO₄
ATOM ORBITALLARINING GIBRIDLANISHI.
1. Qo‘yidagi molekulalarning qaysilarida sp²-gibrid holidagi uglerod atomi bor?
1) etan 2) etilen 3) atseton 4) siklobutan
A) 1 va 2 B) 1 va 3 C) 1 va 4 D) 2 va 3 E) 2 va 4
96-1son-48.
2. Ammiak qanday tuzilishga ega?
A) tekis B) to‘g‘ri chiziqli C) trigonal-piramida
D) oktaedr E) tetraedrik
96-3son-21.
3. Markaziy atomning atom orbitali sp-gibridlangan holatdagi zarrachani ko‘rsating.
1. 2.SO₂ 3.N₂O 4.SO₃ 5. BeCI₂
A) 2,3 B) 2,5 C) 1,2 D) 4,5 E) 3,4
96-3son-38.
4. Osh tuzi fazoviy holati qanday tuzilishga ega?
A) tekis uchburchakli B) kubsimon C) tetraedr
D) piramida E) bipiramida
96-5son-17.
5. sp2-gibridlangan orbitallar yo‘nalishlari orasidagi burchak qanday bo‘ladi?
A) 180⁰ B) 90⁰ C) 120⁰ D) 109⁰28 E) 104,5⁰