Ma‘ruza rejasi

DONOR-AKSEPTOR BOG’LANISH

1. Sariq qon tuzi tarkibidagi markaziy atom bilan liganlar orasidagi bog’ qaysi turga mansub?

A) vodorod B) metall C) ion

D) donor- akseptor E) kovalent

• 2. SiF4 bilan HF birikib H2[SiF6] hosil qiladi. CF4 shunday birikma hosil qilmaydi: Buning sababi nimada?.
• A) uglerod atomida akseptorlik vazifasini bajaradigan bo’sh elektron orbital yo’q
• B) ugleod atomining elektromanfiyligi kremniynikidan katta
• C) uglerod atomining radiusi kichik bo’lishi
• D) C-F bog’i qutbliligi Si-F nikidan kichik bo’lishi sababli
• E) uglerodning ionlanish potensiali kremniynikidan katta bo’lishi tufayli
• 3. Tarkibi [CF6]2- bo’lgan ionda qaysi turdagi bog’lanish bo’lishi mumkin?
• A) qatbli kovalent B) ionli
• C) donor-akseptor D) qutbli kovalent va donor-akseptor E) Bunday ion mavjud emas
• 4. Kislorod va azot atomlarining elektron tuzilishiga tayangan holda,ular uchun maksimal valentlik qiymatini aniqlang.
• A) 4,4 B) 2,3 C) 2,4 D) 2,5 E) 3,5

• 5. Elektron konfigurasiyalari keltirilgan qaysi elementlar o’zlarining birikmalaridan birida donor-akseptor bog’lanish hosil qilishi mumkin?
• 1) 1s2 2) 1s1 3) 1s22s22p2 4) 1s22s22p3 5) 1s22s1
• A) 1,5 B) 2,3 C) 2,4 D) 1,2 E) 3,5

• GIBRIDLАNISH VА TUZILISHI
• 1. Tаrkibidа sp3 gibridlаngаn аtomi bo’lgаn moddаlаrni ko’rsаting. 1)metаn; 2)аmmiаk; 3)аmmoniy ioni; 4)suv; 5)sul’fit аngidrid; 6)etilen; 7)bor ftorid; 8)berilliy xlorid;
• A) 1,2,3,4 B) 1,2,4,6 D) 3,4,7,8
• 2. Mаrkаziy аtomi sp2 gibridlаngаn holаtdа bo’lgаn zаrrаchаlаrni ko’rsаting.
• 1) bor ftorid; 2) etаn; 3) аmmiаk; 4) etilen; 5) berilliy xlorid;
• 6) sul’fаt ioni; 7) suv; A) 1,2 B) 1,3 C) 1,4 D) 5,7

• 3. Qаysi moddаlаr molekulаsidа mаrkаziy аtom sp3-gibridlаnish holidа bo’lаdi.
• A) CH4; H2O; NH3 B) BCl3; NH3; PH3
• C) SiH4; CH4; C2H4; D) H2O; H2S; BeF2

• 4. Аmmiаk qаndаy tuzilishgа egа?
• A) tekis B) to’g’ri chiziqli C) trigonаl pirаmidа D) oktаedrik
• 5. Mаrkаziy аtomning orbitаli sp-gibridlаngаn holаtdаgi zаrrаchаni toping.

• 1)

• ; 2) CO2; 3) H2O; 4)SO3; 5) BeCl2;

• A) 2.3 B) 2.5 C) 1.2 D) 4.5

• ION, METALL VA VODOROD BOG’LANISH
• 1. Quyidagi kaliy-alyuminiyli achchiqtosh KAl(SO4)•12H2O tarkibidagi qaysi bog’ning ionli darajasi yuqoriroq?
• A) kaliy-alyuminiy B) kaliy-oltingugurt
• C) alyuminiy-oltingugurt D) kaliy-kislorod E) alyummiy-kislorod
• 2. 1) kalsiy ftorid; 2) bariy xlorid; 3) oltingugurt; 4) yod; 5) kremniy karbiddagi kimyoviy bog’lanish turi qanday?
• A) 1,2-ion; 3,4 donor-akseptor, 5-qutbsiz kovalent
• B) 1,2 va 5-ion; 3,4 kovalent C) 1,2-metall; 3,4-kovalent; 5-ion D) 1-ion; 2,5-qutbli kovalent; 3,4-donor-akseptor
• E) 1,2-ion; 3,4-qutbsiz kovalent; 5-qutbli kovalent