ORGANIC CHEMISTRY QUIZ 3

Benzene -----------------> Chlorobenzene

Reagent & condition ?

• 
  CH3Cl with AlCl3 as catalyst

• Cl2 with AlCl3 as catalyst

• 
  Cl2 with ultraviolet light

• CH3COCl with AlCl3 at 80'c

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)

The major product of nitration of toluene is

• 1-nitrotoluene

• 2-nitrotoluene

• 3-nitrotoluene

• None of above

What will be the products form when 2-methylbut-2-ene + hot and conc. KMnO4

• 
  Ketone

  • +

  • CO2 + H2O

• Carboxylic acid

  • +
    CO2 + H2O

• 
  Ketone
  +

  Carboxylic acid

• Both ketones

What will be product formed when KOH (aq) at 55'c is added into 1,1-dibromopentane?

• Diol

• Aldehyde

• Ketone

• Carboxylic acid

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

• Ethanolic KCN followed by reduction

• 500'c - 600'c

  Alumina / silica as catalyst

• SOCl2 heat under reflux

• Ethanolic KOH , heat

Which is the rate equation for the reaction between KCN and 2-chloro-2-methylpropane

• Rate = k[C4H9Cl]

• 
  Rate = k[C4H10Cl]

• Rate = k[C4H9Cl][CN-]

• Rate = k[C4H10Cl][CN-]

What is the major product formed if but-1-ene + Br(aq) ------->?

• CH2BrCH(OH)CH2CH3

• CH2(OH)CHBrCH2CH3

• CH2BrCHBrCH2CH3

• CH3CHBrCH2CH3

How to produce secondary amine?

• 
  Haloalkane +

  ethanolic primary amine

  (heat)

• Haloalkane +

  ethanolic secondary amine

  (heat)

• primary amine + ethanolic ammonia

  (heat)

• Haloalkane + ethanolic ammonia

  (heat)

Which of the following pairs CANNOT produce CH3CH(OH)CHCH3(C6H5)

• 
  CH3MgCl

  +

  HCOCH2CH2(C6H5)

• (C6H5)CHCH3Li

  +

  CH3CHO

• CH3Li

  +

  (C6H5)CHCH3COH

  
  

• (C6H5)CH2Li

  +

  CH3CH2CHO