Haloalkanes And Haloarenes: Chemistry Quiz!

15 Questions | Total Attempts: 4076

SettingsSettingsSettings
Please wait...
Haloalkanes And Haloarenes: Chemistry Quiz!

.


Questions and Answers
  • 1. 
    On treatment with ethanolic KOH, 1–chlorobutane gives:
    • A. 

      1–Butene only

    • B. 

      2–Butene only

    • C. 

      2–Butanol

    • D. 

      A mixture of But–1–ene and But–2–ene

  • 2. 
    Which of the following compound has the highest density?
    • A. 

      C2H5I

    • B. 

      C2H5Br

    • C. 

      C2H5Cl

    • D. 

      C2H5F

  • 3. 
    In a group of isomeric alkyl halides the order of boiling points is:
    • A. 

      3o > 2o > 1o

    • B. 

      3o > 2o < 1o

    • C. 

      3o < 2o < 1o

    • D. 

      3o < 2o > 1o

  • 4. 
    Benzene on reaction with chlorine in the presence of sunlight gives:
    • A. 

      Chlorobenzene

    • B. 

      BHC

    • C. 

      DDT

    • D. 

      P-dichlorobenzene

  • 5. 
    Chlorobenzene is formed when one molecule of chlorine reacts in the presence of iron with:
    • A. 

      Benzene

    • B. 

      Toluene

    • C. 

      Benzene hexachloride

    • D. 

      Acetylene

  • 6. 
    The side chain chlorination of toluene takes place in the presence of:
    • A. 

      Halogen carrier

    • B. 

      Cl2/FeCl3

    • C. 

      Cl2/heat and light

    • D. 

      Cl2 in the presence of air

  • 7. 
    Which reagent will you use for the following reaction?
    • A. 

      Cl2/UV light

    • B. 

      NaCl + H2SO4

    • C. 

      Cl2 gas in dark

    • D. 

      Cl2 gas in the presence of iron in dark

  • 8. 
    Toluene reacts with a halogen in the presence of Iron (III) chloride giving ortho and para halo compounds. The reaction is:
    • A. 

      Elelctrophilic elimination reaction

    • B. 

      Elelctrophilic substitution reaction

    • C. 

      Free radical addition reaction

    • D. 

      Nucleophilic elimination reaction

  • 9. 
    Chlorobenzene is formed by reaction of chlorine with benzene in the presence of AlCl3. Which or the following species attacks the benzene ring in this reaction?
    • A. 

      Cl

    • B. 

      Cl+

    • C. 

      AlCl3

    • D. 

      [AlCl4]

  • 10. 
    Which of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated HCI at room temperature? 
    • A. 
    • B. 
    • C. 
    • D. 
  • 11. 
    A primary alkyl halide would prefer to undergo_____.
    • A. 

      SN1 reaction

    • B. 

      SN2 reaction

    • C. 

      α–Elimination

    • D. 

      Racemisation

  • 12. 
    Which of the following structures is enantiomeric with the molecule (A) given below:
    • A. 
    • B. 
    • C. 
    • D. 
  • 13. 
    Molecules whose mirror image is non-superimposable over them are known as chiral. Which of the following molecules is chiral in nature?
    • A. 

      2-Bromobutane

    • B. 

      1-Bromobutane

    • C. 

      2-Bromopropane

    • D. 

      2 Bromopropan-2-ol

  • 14. 
    Which is the correct increasing order of boiling points of the following compounds? 1-Bromoethane, 1-Bromopropane, 1-Bromobutane, Bromobenzene
    • A. 

      Bromobenzene < 1-Bromobutane < 1-Bromopropane < 1-Bromoethane

    • B. 

      Bromobenzene < 1-Bromoethane < 1-Bromopropane < 1-Bromobutane

    • C. 

      1-Bromopropane < 1-Bromobutane < 1-Bromoethane < Bromobenzene

    • D. 

      1-Bromoethane < 1-Bromopropane < 1-Bromobutane < Bromobenzene

  • 15. 
    Arrange the compounds in increasing order of rate of reaction towards Nucleophilic substitution:
    • A. 

      I < II < III

    • B. 

      I < III < II

    • C. 

      III < II < I

    • D. 

      II < III < I

Back to Top Back to top