ORGANIC CHEMISTRY QUIZ 2 2023

Nitration of benzoic acid will produce.....

• 1-nitrobenzoic acid

• 
  2-nitrobenzoic acid

• 3-nitrobenzoic acid

• 4-nitrobenzoic acid

Free radical substitution of alkane will produce ?

• Alkene

• Haloalkane

• Hydrogen halide

• Diol

With which reagents can differentiate benzene and methylbenzene ?

• Warming with acidified KMnO4 followed by lime water

• Aqueous bromine

  in room condition

• Bromine in CHCl3

  in the presence of anhydrous AlCl3

• conc. H2SO4

  +

  conc. HNO3

  heat at 55'c

Which reagents and conditions can used to prepare toluene from benzene

• Cl2 + catalyst

  AlCl3

• CH3Cl + catalyst AlCl3

• CH3COCl + catalyst AlCl3 at 80'c

• Excess H2 + catalyst Ni at 180'c

Reagents and condition needed for :

Benzene -------> Nitrobenzene --------> Aniline

• 
  Conc. HNO3 + Conc. H2SO4 at 30'c

  then Tin in conc. HCl

• 
  Conc. HNO3 + Conc. H2SO4 at 30'c

  thenEthanolic Ammonia

• Conc. HNO3 + Conc. H2SO4 at 55'c then

  Ethanolic Ammonia

• Conc. HNO3 + Conc. H2SO4 at 55'c

  then Tin in conc. HCl

What will be the products form when but-1-ene + hot and conc. KMnO4

• Ketone

  • +

  • CO2 + H2O

• Ketone
  +

  Carboxylic acid

• Carboxylic acid

  • +
    CO2 + H2O

• Ketone
  +

  Aldehyde

Alkene + X -----------> Haloalkane

• X = H2
  condition = 180'c, Ni

• X = H2O
  condition = 300'C , 60atm , H3PO4

• X = Cl2

  condition = in (aq),

  room condition

• X = HCl
  condition =in CHCl3 ,room condition

Toluene + X --------------------> ortho-xylene

What is X and its condition?

• X = Cl2
  condition = anhydrous AlCl3

• X = Cl2
  condition = anhydrous AlCl3 and heat

• X = CH3Cl
  condition = anhydrous AlCl3

• X = CH3Cl
  ccondition = anhydrous AlCl3 and heat

What is the properties of substituentS Cl , Br and I towards benzene ?

• Ortho -para

  directing ,

  activating group

• Ortho -para

  directing ,

  deactivating group

• meta directing ,

  activating group

• meta directing ,

  deactivating group

Which reagent can be used to test the presence of carbon-carbon double bond?

• Hydrogen bromide in CHCl₃

• 
  Bromine in CHCl₃

• Bromine in the presence of ultraviolet light

• Hydrogen Iodide in CHCl₃