Namangan viloyati yangiqo’RG’on tumani 58- umumta`lim maktabining 10 – “ ” sinf o`quvchisi ning

Sana

6-Nazorat ishi

1.Oddiy efirlar berilgan qatorni toping.

A)CH₃CO CH₃ B)CH₃OCH₃S)CH₃COOCH₃ D)CH₃O₂CH₃

2.Quyidagi moddani nomlang.C₂H₅COOCH₃

A)sirka kislotani metil efiri B)propion kislotani metil efiri S)metil propionat

3.Yog’ tarkibida qaysi spirt uchraydi?

A)etilenglikol B)glitserin S)etanol D)metanol

4.Agar yog’larni gidrolizlashda kaliy ishqori ishlatilsa, qanday sovun olinadi?

A)qattiq sovun B)suyuq sovun S)kir sovun D)qattiq va suyuq sovun

5. quyidagi tuzilish qaysi moddaga tegishli?

A)dimetil efir B)dimetil spirt S)metil etil keton D)dimetil keton

6.Uglevodlar qanday sinflarga bo’linadi?

A)Monosaxaridlar,disaxaridlar, polisaxaridlar. B) Monosaxaridlar,disaxaridlar

S) Monosaxaridlar,disaxaridlar,glyukoza D)glyukoza, monosaxaridlar,kraxmal

7.Saxaroza formulasi berilgan qatorni toping.

A)C₁₂H₂₀O₁₁ B)C₁₂H₂₂O₁₁ S)C₁₀H₂₂O₁₁ D)C₆H₁₂O₆

8.1,25 mol maltoza va saxaroza aralashmasidan 360gr glyukoza olingan bo’lsa, dastlabki moddalar qanday nisbatda olingan?

A)1:0,25 B)0,75:0,5 S)0,25:1 D)0,5:0,75

9.Glyukoza tarkibida nechta sp³ gibridlangan orbitallar mavjud?

A)36 ta B) 40ta S)30 ta D)10 ta

10.Polisaxaridlarga nimalar kiradi?

A)glyukoza,fruktoza B)saxaroza, kraxmal S)kraxmal, sellyuloza

D)riboza, glyukoza

11. Olein kislotasi A)C₁₇H₂₉COOH B)C₁₇H₃₅COOH S)C₁₇H₃₃COOH

12.Eterifikatsiya─────...............................

A)Kislota bilan spirtdan murakkab efir hosil bo’lishi.

B)Kislota bilan ishqordan tuz hosil bo’lishi.

S)Kislota bilan glyukoza reaksiyasi.

D)Aldegidning ishqor bian reaksiyasi

13.To’yinmagan yog’ kislotasi berilgan qatorni toping.

A)C₁₇H₂₉COOH B)C₁₇H₃₅COOH S)C₁₅H₃₁COOH D)barcha javoblar to’g’ri

14....................... xushbo’y hidga ega bo’lgani uchun oziq-ovqat va atir –upachilik sanoatida ishlatiladi.

A)murakkab efirlar B)uglevodlar S)oddiy efirlar D)ketonlar

15.CH₂OH-(CHOH)₄CHO+H₂→...............................

A)CH₃CH₂OH+CO₂ B) CH₂OH-(CHOH)₄CH₂OH

S)CO₂+H₂O D) CH₂OH-(CHOH)₄COOH

Kompetentlikni aniqlash uchun materiallar:

16.Qaysi o’simliklar tarkibida kraxmal uchraydi?__________________________

17.Murakkab efirlar kundalik hayotimizda ishlatiladigan qaysi narsalar tarkibida uchraydi?______________________________________________________

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Javob
bal

Sana

7-Nazorat ishi

1.Quyidagi moddani xalqaro nomenklatura bo‘yicha nomlang.

CH3 - CH(NO2) - CH(CH3) - CH3 _________________________________________

2.Quyida keltirilgan moddalarning struktur formulasini yozing

1)1-nitropropan ___________________________________________________________________2)3-metil-2-nitrobutan ___________________________________________________________________

3.Reaksiyani davom ettiring

CH4 + HONO2 =
CH3 - NO2 + 3 H2 =

4..42gr nitroetandan necha gr etil amin olish mumkin?

5.Anilin___________________________________________________________

_______________________________________________xomashyo hisoblanadi.

Sana

8-Nazorat ishi

1.Aminokislotalarning umumiy formulasi

A) NH₂-R-COOH B) –ROOH

C) –ROH D)

2.. ____________ tolalaridan kiyim-kechak, sun’iy mo‘yna, parashyut, arqon, baliq to‘rlari tayyorlanadi

A) asetat B) tabiiy C) ipak D) Kapron

3. Тabiiy tolalarni kimyoviy qayta ishlab olinadigan tolalar _________ tolalar deb, sintetik materiallardan olinadigan tolalar esa _________ tolalar deb ataladi.

A) sun’iy, sintetik B) tabiiy C) ipak D) asetat

4. _________ (proteinlar)-ma’lum ketma-ketlikdagi peptid bog‘lari orqali birikkan, kamida yuzta aminokislotadan tashkil topgan biopolimerlardir.

A) Oqsillar B) Murakkab efirlar C) Aminlar D) Aminokislotalar

5. ________-rangsiz suyuqlik bo‘lib, qo‘lansa hidli, 115°C da qaynaydigan, suvda va organik erituvchilarda oson eriydigan modda.

A) Pirrol B) Piridin C) Furan D) Pirimidin

6. ____________ bir xil molekulalarning ketma-ket yanada yirik molekulalar hosil qilib birikish reaksiyasi

A) Polimerlanish B) qaytarilish C) gidrogenlanish D) degidrogenlanish

7. Kapron makromolekulalari chiziqli tuzilishga ega va umumiy _________formula bilan ifodalash

A) –ROH B) –ROOH C) NH₂-R-COOH D) [-NH-(CH₂)₅-CO-]_n

8. Quyidagi moddalar polimerlanish reaksiya tenglamalarini yozing:

a) etilen___________________________________________________________

b) propilen_________________________________________________________

9. Molekulyar massasi 13500 g/mol bo’lgan polibutadiyenning polimerlanish

darajasini hisoblang__________________________________________________

___________________________________________________________________

10. Molekulyar massasi 62500 g/mol bo’lgan polivinilxloridning polimerlanish darajasini hisoblang__________________________________________________

___________________________________________________________________

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Javob
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Sana

1-amaliy laboratoriya mashg’uloti

Etilenni etil spirtdan olinishi.

I.Kerakli jixoz va reaktivlar: probirka, gaz chiqish nayi, probka, shtativ, spirt lampasi, etil spirt ,sulfat kislota

II.Ishning borishi:

Tajribani bajarish uchun quruq probirkaga 5 ml etil spirt va 30 ml kontsentrlangan

sulfat kislotadan iborat aralashma quyiladi va probirka og‘zini gaz

chiqish nayi o‘tkazilgan probka bilan berkitiladi. Gaz chiqish nayining ikkinchi

uchi suvli probirkaga tushirib qo‘yiladi. So‘ngra reaktivli probirka 45° burchak

ostida shtativga o‘rnatilib, sekin qizdiriladi. Natijada probirkadagi mahsulot

qorayadi va gaz holatidagi mahsulot – etilen ajralib chiqadi

III,Xulosa__________________________________________________________

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Sana

2-amaliy laboratoriya mashg’uloti

Atsetilenning olinishi.

I.Kerakli jixoz va reaktivlar: probirka, gaz chiqish nayi, probka, shtativ, spirt lampasi, kalsiy karbid,suv.

II.Ishning borishi:

Atsetilen olish uchun probirkaga bir necha bo‘lak kalsiy karbid solib, ustiga

1-2 ml suv quyiladi va probirkaning og‘zi gaz chiqish nayi o‘rnatilgan, probirka bilan tezda berkitiladi. Kaltsiy karbidning suv bilan o‘zaro ta’siri shiddatli borib, atsetilen gazi ajralib chiqadi. Ajralib chiqayotgan atsetilen nay og‘zida o‘t oldirilsa, u nur sochib dudli alanga bilan yonadi:

Reaksiyalarni tenglang va hosil bo‘lgan atsetilenni keyingi tajribalarni

o‘tkazish uchun saqlang. birka bilan tezda berkitiladi. Kaltsiy karbidning suv bilan

o‘zaro ta’siri shiddatli borib, atsetilen gazi ajralib chiqadi

III.Xulosa _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Sana

3-amaliy laboratoriya mashg’uloti

Glitserinni suvda eritish va uning mis (II)-gidroksid bilan reaksiyasi

I.Kerakli jixoz va reaktivlar: probka, glitserin,suv. natriy gidroksid, mis (II)-sulfat

II.Ishning borishi: 1. Probirkaga 1-2 ml glitserin quying va unga yana shuncha suv qo‘shib chayqating. So‘ng 2-3 barobar ko‘p suv qo‘shing.2. Probirkaga 2 ml natriy gidroksid eritmasidan quying va unga cho‘kmahosil bo‘lgunicha ozroq mis (II)-sulfat eritmasidan qo‘shing. Hosil bo‘lgan cho‘kmaga glitserin solib chayqating.

1. Glitserinning suvda eruvchanligi qanday?

2. Glitserin va boshqa ko‘p atomli spirtlar uchun qanday reaksiya xarakterli?

Tegishli reaksiyalarning tenglamalarini yozing.

Xulosa_____________________________________________________________

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Sana

4 -amaliy laboratoriya mashg’uloti

Karbon kislotalarining olinishi va xossalari

I.Kerakli jixoz va reaktivlar: probirka, gaz chiqish nayi, probka, shtativ, spirt lampasi, natriy atsetat, sulfat kislota , magniy, ruh, natriy gidroksid, fenolftalein

II.Ishning borishi:

1.tajriba Probirkaga 2-3 g natriy atsetat soling va 1,5-2 ml kontsentrlangan sulfat

kislota qo‘shing. Probirkaning og‘zini gaz o‘tkazgich nay o‘rnatilgan probka

bilan berkiting, naychaning ikkinchi uchini boshqa probirkaga tushiring. Aralashmani yig‘gich probirkada 1,0-1,5 ml suyuqlik yig‘ilguncha qizdiring.

2-tajriba

Ikkita probirka olib, ularning har qaysisiga 1 ml dan sirka kislota eritmasidan

soling. Probirkalarning biriga ozgina magniy qirindisidan, ikkinchisiga

esa bir necha dona ruh soling. Birinchi probirkada reaksiya shiddatli boradi,

ikkinchisida esa sekin boradi (ba’zan u faqat qizdirilganda boshlanadi).

3-tajriba. Sirka kislotaning asoslar bilan reaksiyasi.

Probirkaga 1,0-1,5 ml natriy gidroksid eritmasidan soling. Ustiga bir necha

tomchi fenolftalein eritmasidan tomizing. Sirka kislota qo‘shilganda eritma

rangsizlanadi.

Tegishli reaksiyalarning tenglamalarini yozing va tenglashtiring.

Xulosa_____________________________________________________________

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Sana

Laboratoriya ishi № 5

Glukozaning Mis (II)-gidroksid bilan reaksiyasi.

I.Kerakli jixoz va reaktivlar: probirka, shtativ, spirt lampasi, natriy gidroksid, glukoza, Mis (II)-gidroksid,kraxmal , yod, kaliy yodid

II.Ishning borishi:

1-tajriba.Probirkaga 2-3 ml glukoza eritmasidan va shu miqdorda suyultirilgan Natriy gidroksid eritmasidan soling (NaOH dan ortiqcha miqdorda olinishi kerak). So‘ng bir necha tomchi Mis (II)-gidroksid eritmasidan qo‘shing. Probirkada hosil bo‘lgan eritmani kuzating.

Mustaqil xulosalar uchun topshiriqlar.

1. Zangori rangli eritma nima? Ushbu tajriba nimani isbotlaydi?

2. Nima uchun probirkadagi eritma qizdirilganda avval sariq so‘ngra qizil

cho‘kma hosil bo‘ladi?

3. Tegishli reaksiya tenglamalarini yozing.

2-tajriba.

Kraxmal kleysterini tayyorlash va kraxmalning yod bilan reaksiyasi.

Probirkaga 4-5 ml suv soling, ozgina kraxmal qo‘shing va aralashmani

chayqating. Hosil bo‘lgan suspenziyani probirkadagi qaynab turgan suvga eritmani

doimo chayqatib turib oz-ozdan qo‘shing.

Hosil bo‘lgan kleysterni sovuq suv bilan suyultiring (1:20) va ikkita probirkaga

3-5 ml dan soling. Bitta probirkaga yodning spirtdagi eritmasidan ozroq,

ikkinchisiga esa kaliy yodid eritmasidan qo‘shing.

Mustaqil xulosalar uchun topshiriq.

1.Nima uchun ko‘k rang faqat birinchi probirkada paydo bo‘ldi?

2.Tegishli reaksiyalarning tenglamalarini yozing

.III.Xulosa_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Sana

Laboratoriya ishi № 6

Oqsillarga xos rangli reaksiyalar.

I.Kerakli jixoz va reaktivlar: probirka, tuxum oqsili,natriy gidroksid, mis (II) sulfat, HNO₃

II.Ishning borishi:

1-tajriba Probirkaga 2ml og`sil modda eritmasidan quyib, 2 natriy ishqor; 1-2 tomchi   mis kuporosi eritmasidan qo`shing ,qizil-binafsha bo`yalish ro`y beradi

2-tajriba Probirka 2 ml oqsil modda eritmasidan (bu eritma 1 dona tuxum oqini 150 ml suvda eritib tayyorlanadi) olib unga konsentrlangan HNO₃ dan 1-2ml qo`shning va bu aralashmani ohistalik bilan qizdiring. Bunda oqsil moddasi bir joyga to`planib  oladi va sariq bo`yalish ro`y beradi.

Xulosa _____________________________________________________________

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