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Topic Question Set

Q 1 :    

The following reaction method

[IMAGE 46]

is not suitable for the preparation of the corresponding haloarene products, due to higher reactivity of halogen, when X is         [2024]

  • F

     

  • I

     

  • Cl

     

  • Br

     

(1)

Fluoro compounds are not prepared by this method due to high reactivity of fluorine.

 

Q 2 :    

Which of the following is suitable to synthesize chlorobenzene?             [2022]

  • Benzene, Cl2, anhydrous AlCl3

     

  • Phenol, NaNO2, HCl, CuCl

     

  • [IMAGE 47]

     

  • [IMAGE 48]

     

(1)

Arenes react with halogens in the presence of a Lewis acid like anhydrous FeCl3, FeBr3 or AlCl3 to yield haloarenes, e.g.,

[IMAGE 49]