C) Cn H2n+1 –OH D) Cn H2n+1 – NO2
O
1 53. CH3 – CH2 – CH2 – C
H
Ushbu aldegidni nomlang.
A) Chumoli aldegid,metanal
B) Sirka aldegid, etanal
C) Izomoy aldegid, 2- metil propanal
D) Moy aldegid, butanal
154. “Kumush ko`zgu” yani aldegidlar uchun sifat reaksiyani ko`rsating.
Ammiakli
eritma
O O O
A ) HC = CH + HOH CH3 – C B) R – C+ Ag2 O R –C +2 Ag
H H OH
O
C ) CH3 OH + CuO H – C + Cu +H2O
H
toC
O O
D ) R-C + 2Cu (OH)2 R-C +2CuOH +H2O
OH H
155. “Qattiq spirt” nomi bilan mashhur bo`lgan urotropinning kimyoviy formulasini ko`rsating.
A) CH2 OH –(CHOH)4 –CHO - geksoza
B) (CH2)6 N - geksametilentetraamin
C ) CH3-CH –OH – –oksipropion kislota Nitrili
CN
D) CO (NH2)2 -Karbamid
156. Asealdegid (formaldegid, sirka aldedid) laboratoriya sharoitida qaysi usulda olinadi?
K2Cz2O7+H2SO4
O
A ) CH3-CH2-OH+O CH3-C +H2O
H
O
B ) 2 CH2=CH2 2 CH3 –C
H
O
C ) CH3OH H-C +H2
H
H+
O
D ) (CH2)6 N4+6H2O 6H-C +4 NH3
H
157. To`yingan bir asosli karbon kislotalarning umumiy formulasini ko`rsating.
O O
A ) Cn H2n+1 –C B) Cn H2n+1 – C
OH H
C) Cn H2n+1 – OH D) Cn H2n+2
O
1 58. CH3 – CH2 – CH2 – C
OH
Ushbu karbon kislotani tarixiy va rasional nomenklaturaga muvofiq nomlang.
A) Moy kislota, etan karbon kislota
B) Valerian kislota, butan karbon kislota
C) Moy kislota, Butan karbon kislota
D) Sirka kislota, etan karbon kislota
159. Karbon kislotalar laboratoriya sharoitida qaysi kimyoviy jarayon yordamida hosil qilinadi?
O O
A ) R-C +HOH R-C + R1 -OH
O-R1 OH
O O
B ) CH3-CH2-OH CH3-C CH3 – C
H OH
O O
C ) CH = CH + H2O CH3 – C CH3-C
H OH
O O
D ) 2 CH3 – C +H2 SO4 t Na2 SO4 + 2CH3- C
ONa OH
160. Karbon kislotalarning kimyoviy xossalariga tegishli reaksiyalarni ko`rsating.
1) Kislota karboksil gruppasidagi vodorod atomiga xos reaksiyalar.
2) Karboksil gruppasining gidroksiliga xos reaksiyalar.
3) Kislota karboksil gruppasiga xos reaksialar.
4) Kislota radikalidagi vodorodni almashishi bilan boradigan reaksiyalar.
5) Oksidlanish reaksiyalari
A) 1,2,5 B) 1,3,4, C) 2,4,5, D) 1,2,3,4,5.
161. Tibbiyotda bod kasalini davolashda qaysi karbon kislotadan foydalaniladi?
O O
A ) H –C B) CH3 – C
OH OH
O O
C ) CH3 – CH2 –C D) CH3 – CH2 – CH2 - C
OH OH
162. “Sirka essensiyasi” tarkibida sirka kislotasining foiz miqdorini ko`rsating.
A) 3 – 9 % B) 60 – 70 % C) 70 – 80 D) 90-95 %
163. Murakkab efirlar umumiy holda qanday ifodalanadi?
A) R-OH
O
B ) R-C
OH
O
C ) R-C
H
O
D ) R-C
O-R1
164. Sirka kislotasining etil efiri yoki etiletanoatni ifodolovchi struktura formulasini ko`rsating.
A ) C4H9 – O – C - CH3
O
O
B ) CH3 – C
O – C2H5
O
C ) H-C
O – C2H5
O
D ) C2 H5 – C
O – C2H5
165. Etirifikayasiya jarayoni ifodalangan javobini ko`rsating?
O O
A ) CH3 – C + HOH CH3 –C + C2 H5OH
O-C2H5 OH
O O
B ) 2 CH3- C + C2 H5 OH CH3 – C + H2O
OH O-C2H5
O O
C ) R-C + H-NH2 R – C + R -OH
O-R1 NH2
O O
D ) R-C + HOH R – C + NaOH
O-Na OH
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