60.Polimer
01. Tabiiy yuqori molekulyar birikm alarni ko'rsating. 1)
polistirol;
2) sellyuloza; 3) oqsil; 4) aminokislota; 5) kraxmal; 6) bo'tadienstirol kauchuk; 7) polietilen.
A) 2,3,5 B) 1,4,5,6 C) 2,5,7 D) 2,3,4,5
02. Polikondensatsiya reaksiyasida metanal qaysi modda bilan reaksiyaga kirishadi?
A) etilen B) benzil spirt
C) fenol D) benzoy kislota
03. Polimerlanish reaksiyasida qaysi yuqori molekulyar birikmalar olinadi? 1) polistirol; 3) kapron; 5) polietilen;
2) sellyuloza; 4) lavsan; 6) polivinilxlorid
A) 2,5,6 B) 1,3,4 C) 2,4,5 D) 1,5,6
04. Yuqori molekulali moddalarning qaysilari qo'sh polimerlanish reaksiyasi natijasida olinmaydi?
1) divinil kauchugi;2) fenolformaldegid smola; 3) izopren kauchugi; 4) polim etilm etakrilat; 5) bo'tadienstirol kauchugi.
A) 1,2 B) 1,3,4 C) 2,5 D) 1,2,3,4
05. Formulasi(-CH2CH=CHCH2CH2CH2-)n bo'lgan yuqori molekulyar birikma zvenosi qaysi monomerlarning qo'sh polimerlanishi natijasida hosil bo'ladj? 1) izopren; 2) bo‘tadien-1 ,3; 3) xloropren; 4) etilen 5) propen;
A) 3,4 B) 2,4 C) 2,5 D) 1,5
06 . Polikondensatsiya reaksiyasi yordamida qanday yuqori molekulyar birikmalar olinadi?
1) bo'tadienstirol kauchugi;
2) kapron; 3) izopren kauchugi;
4) lavsan; 5)
polipropilen;
6) polietilen; 7) fenolformaldegid smolasi; 8) polivinilxlorid
A) 1,3,8 B) 1,6,8 C) 2,4,5. D) 2,4,7
07. Polikondensatsiya reaksiyasi natijasida hosil bo`lmaydigan polimerlarni aniqlang.
1) fenolformaldegid smolasi;
2) polistirol; 3) polinietilm etakrilat;
4)
polivinilxlorid; 5) bo‘tadien kauchugi; 6) sellyuloza.
A) 1,6 B) 2,3,4,5 C) 1,5 D) 4,6
08. Poiimerlanish va polikondensatlanish reaksiyalarining o‘xshashligi:
1) reaksiya natijada makromollekula hosil bodadi;
2) makromolekula π bog‘ning uzilishi hisobiga hosil bodadi;
3) monomer molekulalaridan makromolekula hosil bo`ladi;
4) reaksiya natijasida makromolekuladan boshqa mahsulot hosil bo`lmaydi;
A) 1,4 B) 2,3 C) 1,3 D) 2,4
09. Poiimerlanish va polikondensatlanish reaksiyalarining farqi:
1) reaksiya natijasida makromolekula hosil bodadi;
2) makromolekula π -bog'ning uzilishi hisobiga hosil bodadi;
3) monomer molekulalaridan makromolekula hosil bo‘ladi;
4) reaksiya natijasida makromolekuladan
boshqa mahsulot hoil bodmaydi;
A) 1,4 B) 2,3 C) 1,3 D) 2,4
10. Fenolformaldegid smolasi olish uchun va fenol o ‘zaro reaksiyasiga kirishishi zarur.
A) formaidegid / poiimerlanish
B) metanol / polikondensatsiyalanish
C) chumoli aldegid / polimerlanish
D) metanal / polikondensadiyalanish
11. Yuqori molekulali modda izobutilerming polimerlanish reaksiyasi natijasida olingan. Uning struktur zvenosini toping.
1) -CH
2C(CH
3)
2-
2) -CH
2C(CH
3) = CH -
3) -CH(CH
3)CH(CH
3)-
4) -СН
2СН(С
2H
5)-
A) 2 B) 4 С) 1 D) 3
12.Formulasi (-CH2CH=CHCH2CH2CH2-) bodgan yuqori molekulyar birikma zvenosi qaysi monomerlarning qo‘sh polimerlanishi natijasida hosil bo`ladi? 1) izopren; 2) bo‘tadien-1,3;
3) xloropren; 4) propen; 5)
etilen
A) 3,4 B) 1,4 C) 2,5 D) 1,5
13. Polimetilmetakrilatga mos keladigan monomer zvenosini aniqlang.
A) –C(CH
3)(COOCH
3)CH
2-
B) –CH(COOCH
3)CH
2-
C) –C(CH
3)(COOH)CH
2-
D) –CH(COOH)CH
2-
14. Polimetakril kislotaga mos keladigan monomer zvenosini ko'rsating.
A) –C(CH
3)(COOCH
3)CH
2-
B) –CH(COOCH
3)CH
2-
C) –C(CH
3)(COOH)CH
2-
D) –CH(COOH)CH
2-
15. Akril kislotaning polimerlanishidan olingan yuqorimolekulyar birikmaning zvenosining tuzilishiru ko‘rsating.
A) –C(CH
3)(COOCH
3)CH
2-
B) –CH(COOCH
3)CH
2-
C) –C(CH
3)(COOH)CH
2-
D) –CH(COOH)CH
2-
16. Strukturasi
(-СН
2С(СН
3)(СООН)СНСlСНСl-) bo`lgan sopolimer zvenosi qaysi monomerlarning qo‘shpolimerlanishi natijasida hosil bo`ladi?
1) izopren; 2) etilm etakrilat;
3) vinilxlorid; 4) metakril kislota
5) xloropren; 6) 1,2-dixloreten.
A) 3,4 B) 1,5 C) 2,3 D) 4,6
17. Strukturasi
(-CH
2CH(COOCH
3)CH
2CH(CH
3)-)n
Bo`lgan sopolimer zvenosi qaysi monomerlarning qo‘shpolimerlanishi natijasida hosil bodadi?
1) izopren; 2) metilakrilat;
3) izobutilen; 4) m etilm etakrilat
5) xloropren; 6) propilen.
A) 3,4 B) 2,6 C) 1,3 D) 3,5
18. Quyidagi genetik o‘zgarishlar katorida hosil bo`lgan X moddani kо‘rsating:
butan+Br2 A+KOH+spirt—>B X
A) (-CH(CH
3)CH(CH
3)-)n
B) (-C(CH
3)
2CH -)n
C) (-СН
2СН (C
2H
5-)n
D) (-CH2CHCHCH
2-)n
E) ( - CHC(C
2H
5)- ) ^
19. Quyidagi genetik o'zgarishlar qatorida qaysi X modda hosil bo`ladi?
Izobutan A+KOH+spir X A) ( - CH
2CH(C
2H
5)- ) n
B) (-CH(CH
3)CH(CH
3)-)n
C) (-С(СН
3)
2СН
2- )n
D) (-CH
2CHCHCH
2 -)n
20. Polistirolning monomerini ko‘rsating.
A) vinilasetilen B) vinilxlorid
C) vinilasetat D) vinilbenzol
21. Berilgan formulalardan qaysi biri polivinilxloridning struktur zvenosini aks ettiradi?
A) -CH=CC1- B) –ClCH
2CH
2CH-
C) CH
2=CH
2 D) -CH
2CHCl-
22. Yuqori molekulali modda izobutilerming polimerlanish reaksiyasi natijasida olingan. Uriing struktur zvenosini toping.
1) –CH
2C(CH
3)
2 –
2) –CH
2C(CH
3)= C H -
3) -CH(CH
3)CH(CH
3)-
4) –CH
2CH(C
2H
5)-
A) 2 B) 4 C) 1 D) 3
23. Polistirol o‘rtacha molekulyar massasi 104000 ga teng bodsa,uning taxmiriiy poiimerlanish darajasi qancha bodadi?
A) 1 B) 10 C) 100 D) 1000
24. Polistirolning o'rtacha molekulyar massasi 93600 ga teng bo‘lsa,uning taxminiy polimerlanish darajasi qanchaga teng bo`ladi?
A) 9 B) 90 C) 900 D ) 9000
25. Polistirolning o`rtacha molyar massasi 208000 ga teng bo`lsa,uning polimerlanish darajasini toping.
A) 20000 B) 200 C) 2000 D) 100
26. Polipropilenning o'rtacha molyar massasi 42000 g ga teng bo'lsa,uning polimerlanish darajasini toping
A) 1000 B) 100 C) 10 D) 10000
27. Polimerlanish darajasi 240 ga teng bo'lgan polietilenning bitta molekulasining massasini (g) toping.
A) 6721 B) 28 C) 4,65∙10
-23 D)11,1∙10
-21
28. (2020) Molekulyar massasi 17700 (g/mol) ga teng xlorpen kauchukning polemerlanish darajasini aniqlang.
A) 1000 B) 200 C) 5000 D) 2000
29. (2020) Molekulyar massasi 885000 (g/mol) ga teng xlorpen kauchukning polemerlanish darajasini aniqlang.
A) 2000 B) 1000 C) 5000 D) 200
30. (2020) Molekulyar massasi 5000 (g/mol) ga teng bo'lgan politetraftoretilen (monomer CF
2 =CF
2 ) ning polimerlanish darajasini aniqlang.
A) 500 B) 50 C) 250 D) 100
31. (2019) Polietilendan polipropilenning molyar massasi 4,5 marta ko‘p bo'lsa,ularning polimerlanish darajasi necha marta farq qiladi?
A) 6 B) 5 C) 4 D) 3
32. (2019) Quyidagi sopolimeming molekulyar massasi 164000 bo‘lsa,uning polimerlanish darajasini aniqlang.
( -CH
2-CH
2-CH
2-CH
2- CH
2-CH
2- )n
A) 2000 B) 4000 C) 400 " D) 200
33. (2019) Quyidagi sopolimeming molekulasida 3,2∙104 dona atom bo'lsa uning polimerlanish darajasini aniqlang.
(-CH
2-CH
2-CH
2-CH=CH-CH
2-)n
A) 400 B) 2000 C) 4000 D) 200
34. (2019) Molekulasida 32000 ta atom saqlagan sopolimerning molekulyar massasini aniqlang.
(-CH
2-CH
2-CH
2-CH=CH-CH
2-)n
A) 164000 B) 32800
C) 16400 ) D) 328000
35. (2019) 56 g polietilen (-СH2-СH2-) 20000 necha mol?
A) 10
-2 B) 10
-5 C) 10
-3 D) 10
-4
36. (2019) 10-4 mol polietilen
(-CH2-CH2-) 20000 necha gramm keladi?
A) 56 B) 112 C) 11,2 D) 560
37. (2019) Polietilen (-CH2-CH2-)n molekulasidagi asosiy uglerod zanjiri uzunligi 308 nm ga teng bo'lsa, polimerlanish darajasini aniqlang. l(C-C)=0,154 nm.
A) 200 B) 100 C) 1000 D) 2000
38. (2019) Polietilen (-CH
2-CH
2-) n molekulasidagi asosiy uglerod zanjiri uzunligi 308 nm ga teng bo'lsa, polimerning molekulyar massasini aniqlang. l(C-C)=0,154 nm.
A) 56000 B) 28000 C) 2800 D) 5600
39. (2019) Molekulyar massasi 56000 bo‘lgaji polietilen (-CH2-CH2-) n molekulasidagi asosiy uglerod zanjiri uzunligi(nm) hisoblang. l(C-C)=0,154 nm.
A) 616 B) 308 C) 61,6 D) 30,8
40. (2019) (-CH2-CH2-) 20000 bo'lgan polietilen molekulasining asosiy uglerod zanjiri uzunligini (nm) hisoblang.
l(C-C)=0,154 nm.
A) 61,6 B) 616 G) 308 D) 30,8
41. (2019) Poliizopren molekulasida 2700 dona gibrid orbitallar mavjud bo'lsa,2-metilbo‘tadiyen-l ,3 ning polimerlanish darajasini aniqlang.
A) 300 B) 200 C) 100 D) 150
42. (2019) Polimerlanish darajasi 300 bo'lgan polimerning massasi 324 g. Agar polimerlanishda 6,0 mol monomer qatnashgan bo‘lsa,polimerni toping.
A) polipropilen B) divinil
C) poliizopren D) neylon
43. (2019) Polipropilen tarkibidagi
N(H)-N(C)=450 bo'lsa,polimerning molekulyar massasini hisoblang.
A) 10500 B) 8400 C) 4200 D) 6300
44. (2019) Sis-1,4-poliizopren namunasi tarkibida sp2- gibrid orbitallar soni 1200∙NA. Ushbu fragmentning massasini (g) hisoblang.
A) 23800 B) 17000 C) 13600 D) 20400
45. (2019) 324 g bo‘tadiyen-1,3 dan 0,02 mol bo'tadiyen kauchuk olinsa, o'rtacha polimerlanish darajasi qanday bo'lgan?
A) 500 B) 600 C)300 D) 400
46. (2019) Poliizopren molekulyar massasi 13600 ga teng bo'lsa,polimer tarkibida necha dona gibrid orbitallar mavjudligini aniqlang.
A) 3600 B) 5400 C) 4500 D) 7200
47. (2019) Trans-1,4-poliizopren molekulyar massasi 13600 ga teng bo'lsa,uning molekulasida necha dona vodorod atomi borligini toping.
A) 1600 B) 2800 C) 2000 D) 2400
48. (2019) Bo‘tadiyen-1,3 ning o'rtacha polimerlanish darajasi 300 bo'lsa,405 g monomerdan necha mol bo'tadiyen kauchuk olinadi?
A) 0.020 B) 0,025 C) 0,030 D) 0,040
49. (2019) Polietilen massasi uning tarkibidagi uglerod atomlari massasidan 800g ga ko'p bo'lsa polimerning o'rtacha molyar massasini (g/mol) hisoblang.
A) 8400 B) 9800 C) 7000 D) 5600
50. (2019) Molekulyar og'irligi 17700 ga teng bo'lgan xlorpren kauchukning polimerlanish darajasini toping.
A) 150 B) 250 C) 300 D) 200
51. (2018) Polimerlanish darajasining monomer molekulyar massasiga nisbati 100/21 ga teng bo'lsa, polimerlanish darajasini aniqlang. Polimerning o'rtacha molekulyar massasi 8400 ga teng.
A) 180 B) 200 C) 100 D) 120
52. (2018) Polistirol o'rtacha molekulyar massasi 78000 m.a.b ga teng bo'lsa, polimerlanish darajasini aniqlang.
A) 750 B) 800 C) 780 D) 1040
53. (2018) Molekulyar massasi 56000 (m.a.b) ga teng bo'lgan polietilenning polimerlanish darajasini aniqlang.
A) 2000 B) 500 C) 5000 D) 1000
54. (2015) Tabiiy polirnemi ko'rsating.
A) etilen B) novolak
C) polietilen D) kraxmal
55. (2015) Genetik o'zgarishlar qatorida qaysi X modda hosilbo'ladi?
izobutan A B X
A) (-C(CH
3)
2-CH
2-)n
B) (-CH
2CHCHCH-)n
С) (-CH(CH
3)CH(CH
3-)n
D)(-CH
2CH(C
2H
5)-)n