ORGANIC CHEMISTRY QUIZ 6

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

• Rate = k[C4H10Cl]

• Rate = k[C4H9Cl]

• Rate = k[C4H9Cl][CN-]

• Rate = k[C4H10Cl][CN-]

What will be product formed when KOH (aq) at 55'c is added into 2,2-dibromopropane?

• Diol

• Aldehyde

• Ketone

• Carboxylic acid

What are the test can be used to differentiate toluene from chlorobenzene?

• Br2 (aq)

  with AlBr3 as catalyst

  Heat 90'c

• NaOH (aq) heat at 55'c

• NaOH (aq) heat at 55'c

  followed by AgNO3 (aq)

• Hot conc. KMnO4 / H+

Which of the reagent can be used to distinguish propan-1-ol and propan-2-ol?

• Hot and conc. KMnO4 , H+

• Hot and conc. K2Cr2O7 , H+

• I2 in NaOH(aq)

• PCC in CH2Cl2

Reagent and condition for propan-1-ol to form propene are

• ethanolic KOH

  heat

• KOH (aq)

  heat at 55'c

• Conc. H2SO4 heated at 180'c

• Cu heated at 400'c

Which of the following can used to prepare CH3CH2NHCH3 ?

• CH3CH2Cl + NH3

• CH3CH2Cl + CH3NH2

• CH3Cl + (CH3)2NH

• HCl+ (CH3)3N

How to prepare 1,2-ethanediol from chloroethane?

• Cl2 with UV -> KOH (aq)

• KOH (ethanolic) -> Steam with H2SO4

• ethanolic KCN ->H2O + NaOH (heat)

• KOH (ethanolic) -> Cold KMnO4

Which of the reagents can react to form an ester?

• CH3COOH + CH3COCl

• CH3OH + CH3COCl

• CH3OH + CH3COOH

• CH3Cl + CH3OH

Benzene react with CH3COCl , what is the product and condition?

• Condition: AlCl3 and heat 90'c
  
  product : Chlorobenzene
  

• Condition: AlCl3
  
  product : Chlorobenzene

• Condition: AlCl3
  
  product : Toluene

• Condition: AlCl3 and heat 80'c
  
  product : Phenylethanone

Which following pairs CANNOT produce 3-phenylhexan-3-ol

• 
  
  C2H5MgCl

  +

  1-phenylbutan-1-one

• 
  C3H7MgCl

  +

  1-phenylpropan-1-one

• 
  C3H7Li

  +

  1-phenylpropan-2-one

• 
  
  C6H5Li +

  hexan-3-one