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Question: Answered & Verified by Expert
Although chlorobenzene does not give Ullmann reaction. However presence of
group in chlorobenzene at
o-, p-position enables it to give Ullmann's reaction.
ChemistryHaloalkanes and HaloarenesJEE Main
Options:
  • A \( \mathrm{NO}_{2} \)
  • B \( \mathrm{NH}_{2} \)
  • C \( \mathrm{OH} \)
  • D \( \mathrm{SO}_{3} \mathrm{H} \)
Solution:
1032 Upvotes Verified Answer
The correct answer is: \( \mathrm{NO}_{2} \)

–NO2 group being strongly electron withdrawing activates the ring towards reaction.
 

 

 

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