ORGANIC CHEMISTRY QUIZ 5

Which of the following can used to yield propanoic acid?

• carbon dioxide +

  propyl magnesium chloride

• hot and conc KMnO4 + H+

  +

  pent-1-ene

• potassium hydroxide (aq)

  +

  1,1,1-triiodopropane

• propan-1-ol
  +
  (PCC) in CH2Cl2

What is the product formed when 2-phenylpropan-2-ol react with hot and conc. KMnO4 +H+?

• Aldeyde

• Aldeyde

• Benzoic acid

• No reaction

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

• Diol

• Aldehyde

• Ketone

• Alkene

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

• Br2 (aq)

  with AlBr3 as catalyst

  Heat 90'c

• Hot conc. KMnO4 / H+

• NaOH (aq) heat at 55'c

• NaOH (aq) heat at 55'c

  followed by AgNO3 (aq)

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

• NaOH(aq) followed by AgNO3 (aq)

• Hot and conc. KMnO4 , H+

• PCC in CH2Cl2

• I2 in NaOH(aq)

Which of the following reaction produce ethanal ?

• ethanol +

  PCC in CH2Cl2

• ethanol +

  K2Cr2O7 + H+

• ethanoic acid

  + LiAlH4 in dry ether

• 1,2-dichloroethane

  + KOH (aq)

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

• PCC in CH2Cl2

• ethanolic KOH

  heat

• Conc. H2SO4 heated at 180'c

• KOH (aq)

  heat at 55'c

Which of the following CANNOT form chloroethane?

• ethene + Cl2 in CHCl3

• ethanol + SOCl2,

  heat

• ethanol +

  ZnCl2 with conc. HCl

• ethane + Cl2 in UV

Which of the reaction can produce ethanenitrile ?

• chloroethane + ethanolic ammonia (heat)

• chloroethane + primary amine (heat)

• chloroethane + ethanolic KCN

• chloroethane + ethanolic KOH

Which of the following pairs CANNOT produce (CH3)2C(OH)CH2CH3?

• CH3MgI

  • +

  • CH3COCH2CH3

• (CH3)2CHMgBr
  +

  CH3CHO

• CH3MgCl

  • +

  • (CH3)2CH2CHO

• C2H5Li

  • +
    (CH3)2CO