I. Organik kimyo tarixi. Organik birikmalarning o’ziga xos xususiyatlari

VII. Alkanlarning olinishi va fizik xossalari
1.Metil yodid va etil yodid natriy metali bilan ta’sirlashishi natijasida qanday moddalar hosil bo’ladi?
A) etan, propan, butan B) metan, etan,propan C) metan,propan,butan D) propan,butan, pentan
2. Al₄C₃ + 12 H₂O = 4 Al(OH)₃ + ... Nuqtalar o’rnidagi moddani toping.
A) C₂H₆ B) CH₄ C) C₂H₂ D) C₂H₄
3. CH₃-CH₂-COONa + NaOH = ... + Na₂CO₃ Nuqtalar o’rnidagi moddani toping.
A) C₂H₂ B) CH₄ C) C₂H₆ D) C₃H₈
4. 36 g Al₄C₃ gidrolizlanganda hosil bo’ladigan gaz hajmini (n.sh) toping.
A) 16,8 l B) 24,4 l C) 3,36 l D) 2,24 l
5. Natriy atsetat yetarli miqdorda NaOH bilan ta’sirlashganda 22,4 l (n.sh) gaz ajralgan bo’lsa, necha gramm tuz sarflanganini toping.
A) 92 B) 82 C) 84 D) 86
VIII. Alkanlarning kimyoviy xossasi va ishlatilishi
1.Alkanlar katalizator ishtirokida temperatura va yorug’lik ta’sirida qanday reaksiyaga kirishadi?
A) birikish B) parchalanish C) almashimish D) o’rin olish
2. Metan yuqori temperaturada (1500⁰ C) qizdirilsa, qaysi gazlar hosil bo’ladi?
A) C₃H₇, O₂ B) C₂H₂, H₂ C) H₂, C D) C₂H₄, H₂
3. Xloroformning formulasini toping.
A) CH₃Cl B) C₂H₅Cl C) CCl₄ D) C₂Cl₂
4. 48 g metanning yonishidan necha gramm CO₂ hosil bo’ladi?
A) 132 g B) 44 g C) 88 g D) 100 g
5. 132 g propanning yonishidan necha gramm suv hosil bo’ladi?
A) 72 g B) 44 g C) 216 g D) 132 g
IX. Sikloalkanlar. Nomenklaturasi, izomeriyasi va olinishi
1.Sikloalkanlarning formulasini toping.
A) C_nH_2n B) C_nH_2n+2 C) C_nH_2n+1 D) C_nH_2n-2
2. CH₂ CH₂
CH₂ CH₂ ushbu moddani nomlang.
A)siklobutan B) siklopropan C) siklopentan D) benzol
3. Sikloalkan laboratoriyalarda qanday olinadi?
A) alkanlarni degidrogenlab olinadi B) alkanlarni gidrogenlab olinadi
C) benzolni gidrogenlab olinadi D) alkanlarning digalogenli hosilalariga metallar ta’sir ettirib olinadi
4. To’yingan uglevodorodni degidrogenlanganda siklopentan hosil bo’lsa, to’yingan uglevodorodning molekular massasini hisoblang.
A) 44 g B) 72 g C) 60 g D) 32 g
5. Tarkibida 6 g vodorod bo’lgan siklobutan qanday hajmni (n.sh) egallaydi?
A) 22,4 l B) 18,6 l C) 16,8 l D) 44,8 l