ORGANIC CHEMISTRY QUIZ 5

What is the major product formed when but-1-ene reacts with Br2 in CHCl3 ?

• CH2BrCHBrCH2CH3

• CH3C(Br)2CH2CH3

• CH2BrCH(OH)CH2CH3

• CH2(OH)CHBrCH2CH3

What will be formed when C7H8 reacts with excess Cl2 in the presence of UV?

• C6H5COOH

• C7H5Cl3

• C7Cl8

• No reaction

CH3CH2Cl reacts with KOH(aq) will form?

• CH2CH2

• CH3COOH

• CH3CHO

• CH3CH2OH

Toluene + CH3Cl ----------> ?

in the presence of AlCl3 as catalyst

• 2-chlorotoulene

• 3-chlorotoluene

• 1,2-dimethylbenzene

• 1,3-dimethylbenzene

How to produce Grignard reagent ?

• 
  Haloalkane + magnesium

  (dry ether at -10'c)

• Haloalkane + lithium

  (dry ether at -10'c)

• Haloalkane + lithium

  (dry ether + warm)

• Haloalkane + magnesium

  (dry ether + warm)

What will be the condition for CH3CHClCH3 to form CH2=CHCH3 ?

• 500'c - 600'c

  Alumina / silica as catalyst

• Ethanolic KOH , heat

• Concentrated H2SO4
  heat under reflux

• Ethanolic KCN followed by reduction

How to produce secondary amine?

• 
  Haloalkane +

  ethanolic primary amine

  (heat)

• Haloalkane +

  ethanolic secondary amine

  (heat)

• Haloalkane + ethanolic ammonia

  (heat)

• primary amine + ethanolic ammonia

  (heat)

1-chloropropane + ethanolic KCN ---------> ?

• Propanenitrile

• Butanenitrile

• 2-methylpropanenitrile

• 2-methylbutanenitrile

3-methylpent-2-ene + hot&conc. KMnO4--------> ？

• Ethanoic acid + Propanoic acid

• Ethanoic acid + Butanoic acid

• Ethanoic acid + propanone

• Ethanoic acid + butanone

Which of the following pairs CANNOT produce CH3CH(OH)CH2CH3

• 
  CH3Li

  +

  HCOCH2CH3

• CH3Li

  +

  CH3COCH2CH3

• CH2CH3Li

  +

  HCOCH3

• CH3Li

  • +

  • CH3COCH3