Question:

Acylation of the benzene ring is brought about by reacting it with acid halides in the presence of a Lewis acid. The compound ‘X’ used to bring about the above conversion is

Updated On: Apr 23, 2024
  • (A) 

  • (B) 

  • (C) 

  • (D) 

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The Correct Option is D

Approach Solution - 1

Explanation:
'X' is fumaryl chloride.
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Ans: The answer is fumaryl chloride. 

The reaction that is given in the question is Friedel craft acylation. This reaction is used to introduce an acyl group that is RCO- onto an aromatic ring with the help of acid halide that is in the presence of Lewis acid catalyst. The equation for Friedel-Crafts acylation is:

Ar-H + RCOX + Lewis Acid → Ar-COR + HX

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