ORGANIC CHEMISTRY QUIZ 8

Which of the following reactions can produce propanoic acid?

• K2Cr2O7/ H+ (heat)

  +

  propanone

• K2Cr2O7/ H+ (heat)

  +

  propanol

• KMnO4 /H+ (heat)

  • +
    Propanal

• KMnO4 /H+ (heat)

  • +
    Propene

Which of the following reactions does NOT produce benzoic acid?

• KMnO4+ H+

  +

  Benzaldehyde

• K2Cr2O7+ H+

  +

  Phenylethene

• KMnO4+ H+

  +

  phenol

• K2Cr2O7+ H+

  +

  1-phenylpropane

Which of the following can react with SOCl2 , heat under reflux?

• CH3CH2OH

• (C6H5)OH

• CH3CH2Cl

• CH3CH2COOH

Which of the following reagent can be used to differentiate ketone from carboxylic acid ?

• KMnO4 + H+ （heat)

• 2,4-dinitrophenylhydrazine

• Calcium carbonate

• Tollen's reagent

How to differentiate ethanal and methanal ?

• Alkaline iodine solution

• Lithium tetrahydridoaluminate (LiAlH4) in dry ether

• Tollens' reagent

• No answer from above

What will be formed when CH3CH2CHBr2 react with ethanolic KOH ?

• CH3CHCH2

• CH3CH2CHO

• CH3COCH3

• CH3CH2COOH

4-methylphenol react with CH3Cl with catalyst AlCl3 will produce

• 1,4-dimethylphenol

• 2,3-dimethylphenol

• 2,4-dimethylphenol

• 3,4-dimethylphenol

Which of the following will produce an amine?

• Carboxylic acid + NH3

• Haloalkane

  • +

  • amine

• Alkanenitrile

  • +

  • LiAlH4 followed by H3O+

• Acyl chloride + NH3

What will be produced when butanone react with NaCN in alkaline solution (10-20'c)?

• 2-hydroxybutanenitrile

• 2-hydroxy-2-methylbutanenitrile

• 2-hydroxypentaneitrile

• No reaction

Which following pairs can produce 3-phenylhexan-3-ol ?

• C2H5MgCl

  +

  1-phenylbutan-2-one

• C3H7Li

  +

  1-phenylpropan-2-one

• C6H5Li +

  hexan-3-one

• C3H7MgCl

  +

  1-phenylpropan-1-one