Shukurov Jasur Hoshimovich kjmyq-201S-2016-2017

Variant-106






turli
qaysi

ketonlarni olish uchun

reaksiya uchun reaksiya uchun
D) 2,82

A) sp³

C) sp²d²

D) sp³d

murakkab
C2H5OH

1.6(D). Aldegid va aralashmalardan ajratib reagentdan foydalaniladi?

1. 
   Kumush oksidning ammiakdagi eritmasi
   
2. 
   Gidroksilamin
   
3. 
   Sianid kislota
   
4. 
   Natriy bisulfit
   

2.6(A). Titri va foiz konsentratsiyalari nisbati 1: 75 bo’lsa, eritmaning zichligini (g/ml) aniqlang.
A) 1,33 B) 1,25 C) 1,45 D) 1,55
3.6(A). Geksanning zichligi 0,660gr/sm bo’lsa, uning molyar hajmini sm³/mol hisoblang. A) 130,3 B) 56,76 C) 33,94 D) 14,78
4.6(A). Noma’lum alkinning 6 litrini yoqish uchun 25 litr ozon-kislorod aralashmasi(9(O₂)=36%) sarflandi. Noma’lum alkinni toping.
A) butin B) propin
C) etin D) pentin
5.6(C). Nitrat kislotaning 40%li eritmasidan 0,7 M li eritma tayyorlash uchun dastlabki eritmani necha marta suyultirish kerak?
A) 11,02 B) 7,09 C) 9,07 D) 8,07
6.6(D).(D). 11,2 litrida(n.sh) 30,1 10²³ ta elektron bo’lgan gazning formulasini aniqlang.
A) CO B) РН3 C) NO D) NH3
7.6(C). Ammoniy xlorid bilan reaksiyaga kirishadigan moddalarni aniqlang.
1) Kaliy gidroksid 2) kumush nitrat 3) ftorid kislota 4) natriy sulfat A) 2,4 B) 1,3 C) 1,2 D) 3,4

8.6(C). Quyidagi moddalar orasidan efirlarning izomerlarini aniqlang. 1) 2) C3H7OH 3) CH3COOH 4) HCOOH 5) C2H5COOH 6) C3H7COOH 7) C4H9COOH A) 2,3,4,5 B) 1,2,3,4 C) 3,5,6,7 D) 3,6,7

9.6(C). Azelain A) CH3-(CH2)8-C00H
b) hoc-(ch₂)5-cooh

100. 
     HOOC-(CH₂)j-COOH
     

4. 
   CH₃-(CH₂)j-COOH
   

kislotani ko’rsating.

13.6(B). MeS04+H20=Me+0₂+H2S0₄ elektroliz reak si y a tengl am as i a sos ida 400 gr 1 0 % l i MeSO ₄ eri tma si 3,5F tok bil an elektroli z qili n di . Bunda tarkibida 56,5 mol atom tutgan eritma hosil bo’di. Katodda ajralgan moddalar massasini(gr) aniqlang. A) 0,3 B) 19 C) 39,3 D) 39
14.6(B). Natriy elementining massa ulushi 46% b o ’lgan natri y oks i d v a b ari y ok sid aralashmasi suvda eritildi. Olingan aralashmani to’liq neytrallash uchun 125ml 4 M sulfat kislota eritmasi sarf bo’lsa, hosil bo’lgan cho’kmaning massasini toping.
A) 56,8 B) 23,3 C) 58,3 D) 38,6
15.6(C). Noma’lum konsentratsiyali (mol/l) CuS0₄ eritmasiga 400 ml 3M CuS0₄ eritmasidan qo’shilgan d a e ritm aning hajmi 2marta, kons entrat s i y asi d a stl abkiga nisb atan 1 ,25 m arta ortgan bo’lsa, hosil bo’lgan eritmaning konsetratsiyasini (mol/l) hisoblang.
A) 1,5 B) 2 C) 2,5 D) 0,8

1. 
   6 . 6(D). KMn0₄ va Mn0₂ dan iborat 2,45 gr aral ashm ag a m o ’ l miqdord a xl ori d kis l ota ta ’ si r ettirilganda 2,485 gr xlor hosil bo’ldi. Dastlabki aralashmadagi KMn0₄ massasini (gr) toping.
   

A) 0,45 B) 2,15 C) 0,87 D) 1,58
17.6(D). 9 ta izomeri bor alkanning barcha izomerlari tarkibidagi o-bog’lar soni, 18 ta izomeri b or alkanning barcha izomerlari tarkibidagi o-bog’lar sonidan nechtaga kam ekanligini aniql ang.
A) 261 B) 270 C) 234 D) 252
18.6(B). To’yingan uglevodorod yonishi natijasida hosil bo’lgan suvning massasi boshlang’ich uglevodorod tarkibidagi uglerod massasidan

2. 
   marta ko’p bo’lsa, uglevodorodni aniqlang. A) butan B) propan C) pentan D) etan
   

B) sp³d²

12.6(B). SJ₆ molekulasida markaziy atomning gibridlanish holatini aniqlang.

11.6(C). 1/2N₂+3/2H₂=NH₃ K_m=4 bo’lsa, N₂+3H₂^2NH₃ muvozanat doimiysini aniqlang. A) 1,41 B) 0,5 C) 2,0

10.6(A). 3 ta pog’onasi va 9 ta pog;onachasi elektron bilan to’lgan elementni ko’rsating.
A) Pd B) Kr C) Cr D) Mn

2) N2¹⁷0; 4) C3D8; 5) T2¹⁷02;

1) C¹⁷02;

A) 1,2,3,5,4 C) 2,3,1,4,5


19.6(D). Formulasi (-CH₂CHCHCH₂CH(CN)CH₂- )_n bo’lgan birikma qaysi monomerlarning sopolimerlanishidan hosil bo’lgan?

1. 
   izopren; 2) butadiyen-1,3; 3) xlorpren;
   

4. 
   stirol; 5) akrilonitril;
   

A) 3,4 B) 1,4 C) 1,5 D) 2,5
20.6(C). 17,8 g a-aminokislotadan 9 g amin hosil bo’lgan bo’lsa, amikislotani toping.

1. 
   a-amino-2-metilpropion kislota
   
2. 
   fi-aminopropion kislota
   
3. 
   a-aminopropion kislota
   
4. 
   glitsin 27.6(C). 400 ml suvda 44,4 mg CaCl₂ va 14,8 mg Mg(HC0₃)₂ erigan bo’lsa, suvning qattiqligini (mg • ekv) aniql ang.
   

1. 
   3,75 B) 6,6 C) 2,5 D) 4,75
   

28.6(B). Quyidagi keltirilgan molekulalarni neytronlar soni ortib borish tartibida joylashtiring.

3. 
   C4H10;
   

2. 
   5,2,3,1,4
   

4. 
   5,1,2,4,3
   

29.6(A). Keltirilgan molekulalarni qutubli (I) va qutubsiz (II) molekulalarga ajrating.

ta
ion

1) N2 2) CO 5) РН3 6) NO2

1. 
   I- 2’ 4’ 6;
   
2. 
   I- 2, 3, 4, 5, 6;
   
3. 
   I- 2, 4, 5, 7
   
4. 
   I- 2, 3, 4, 5
   

3) O3 4) SO2 7) SO3 8) NCl3 II- 1, 3, 5, 7, 8 II- 1, 7, 8 II- 1, 3, 6,8 II- 1, 6, 7, 8

30.6(B). Kislorod ozonga aylanishida hajm 45 ml ga kamaygan bo’lsa,dastlabki hajmni ani qlang(ml) .
A) 110 B) 135 C) 125 D) 90

22.6(C). S, Si va C dan iborat 0,9 aralashmadagi