O`zbekiston Respublikasi oliy va o`rta maxsus ta`lim Vazirligi Yangiobod qishloq va o`rmon xo`jaligi kasb –hunar kolleji

1 45. R-C + HOH R – OH + R – C
O-R OH
Ushbu reaksiya sintez yo`li bilan spirt olishning qaysi usuli hisoblanadi?
A) To`yinmagan uglevodorodlardan olish
B) Monogalogenli hosilalardan olish
C) Biokimyoviy usulda olish
D) Murakkab efirdan olish
146. Biokimyoviy usul bilan spirt olish reaksiyasi ko`rsatilgan qatorni ko`rsating.
A ) CH₂ = CH₂ + HOH H₂ SO₄ CH₃ = CH₂---- OH


B ) C₆ H₁₂ O₆ 2 C₂ H₅-OH + 2 CO₂


C ) CH₃ –CH₂ – CH₂ Br + KOH CH₃ – CH₂ – CH₂ – OH + KBr
O O
D ) R – C + HOH R – OH + R – C
O-R OH
147. Quyidagi reaksiyalar orasidan etilenglikoll hosil bo`lish jarayonini ifodalovchi reaksiyani ko`rsating.
O
A ) C₆ H₁₂ O₆ Ferment H₂ C – CH - CH₂ + CH₃ – C + CO₂
OH OH OH H
B ) H₂C – CH₂ + 2 Na OH H₂C – CH₂ + 2 Na Cl
Cl Cl OH OH
C ) CH₂ = CH₂ + HOH H₂SO₄ CH₃ - CH₂ -OH


D) H₂ C - OH H₂ C - ONa
+ 2 Na OH + 2H₂O
H₂ C - OH H₂ C - ONa


148. Quyidagi qaysi jarayon etilenglikoll glitserin va ularning gomologlariga sifat reaksiya hisoblanadi?
A ) CH₂ – OH CH₂ – ONO₂
CH – OH + 3HNO₃ CH₂ – ONO₂ + 3 H₂O
CH₂ – OH CH₂ – ONO₂
O O