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A) (-
B) ( ^ ( ^ l
C) (-
D) (-CH2CHCHCH-)
E) (-CHC(C2Hs)-)n- . . . • - .
Quyidagi genetik o'zgarishlar qatorida qaysi X modda
hosil bo'ladi?
Izobutan Br2, hv—>A+KOH+spirt—»Bpolimerizasiya—>X
A) (-CRfiHiCfiJ-)
B) (-CH(CH3)CH(CH3)~)a
C) (~C(CH3)2CH-)n . • .- •
D) (-CH2CHCHCH2-)n
Polistirolning monomerini ko'rsating.
A) vinilasetilen B) vinilxlorid
C) vinilasetat D) vinilbenzol
Berilgan formulalardan qaysi biri polivinibdoridning
struktur zvenosini aks ettiradi?
- A) ^CH=GC1~ • .". • B) -C1CH2GH3CH- '.
C) CH=CH2 D) -CHfiHCl-
Yuqori molekulali .modda izobutilenning polimerlanish
reaksiyasi natijasida olingan. lining struktur
zvenosini toping.
. 1) -CH2C(CH3)2- 2) -CH2C(CH3)=CH-
3)-CH(CH3)CH(CH3)-, 4) -CH2CH(C2H6)-.
A) 2 B) 4 G) 1 D) 3
Polistirol o'rtacha molekulyar massasi 104000 ga teng
bo'lsa,uning taxminiy polimerlanish darajasi qancha
bo'ladi? - , , . . • . . , ......
A) 1 B) 10 C) 100 ... D) 1000
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
Polistirolning o'rtacha molyar massasi 208000 g ga
teng bo'lsa,uning polimerlanish darajasini toping.
A) 20000 B) 200 C) 2000 . D) 100
336 Polimer
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-lCt23 D) 11,16-1 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 CF2 = CF2) 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 sopolimerning molekulyar massasi
164000 bo'lsa,uning polimerlanish darajasini aniqlang.
(-CH2-CH2-CH2-CH=CH-CH2-)n,
A) 2000 B) 4000 C) 400 * D) 200 -\
33. (2019) Quyidagi sopolimerning molekulasida 3,2-104
dona atom bo'lsa,uning polimerlanish darajasini
aniqlang.
(-CH2-CH2-CH2-CH=CH-CH2--)n.
A) 400 B) 2000 C) 4000 D) 200
34. (2019) Molekulasida 32000 ta atom saqlagan sopolimerning
molekulyar massasini aniqlang.
(-CH2~CHrCHrCH-CH~CH2-)u.
A) 164000 B) 328Q0 \ C) 16,400 > D) 328000
35. (2019) 56 g polietilen (-CH2-CH2-) 20000 necha mol?
A) 1 2 . B) 10-5 C) 1Q-3 ' D.) 10-4•'
36. (2019) 10"4 mol polietilen (-CH2-CH2-) 20000 necha
gramm keladi? ' •' • ^
A) 56 B) J12 C) 11,2' D) 560'
37. (2019) Polietilen (-CHrCH2-)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 (-CH2-CH2-) n molekulasidagi
asosiy uglerod zanjiri uzunligi 308 nm ga teng
bo'lsa, polimerning molekulyar massasini aniqlang.
l(C-C)=0,154nm. . . . .
A) 56000 B) 28000 C) 2800 D) 5600
39. (2019) Molekulyar massasi 56000 bo'lgan 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-l,4-poliizopren namunasi tarkibida sp2-
gibrid orbitallar soni 120 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 ,.,G) 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-l,4-poliizopren molekulyar massa-
"' si 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 uglerqd
atomlari massasidan 800'g 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 polimerni ko'rsating.
A) etilen , . . B) novolak
C) polietilen D) kraxmal
55.(2015) Genetik o'zgarishlar qatorida qaysi X modda;
hosilbo'ladi? izobutan Br *" >A KOH{"") >B "*BlM>l1 YX
A) (-C(CH3)2^CH2-)n : B). (-CHJJHCHCH-)}
C) (-CH(CH3)CH(CH3Hn D) ( - ( ^

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