Question:easy

Identify the name of the above reaction.

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CO with HCl and anhydrous AlCl3 under pressure is the Gattermann-Koch reaction.
Updated On: Oct 1, 2026
  • Etard reaction
  • Gatterman-Koch formylation reaction
  • Stephen reaction
  • Rosenmund reaction
Show Solution

The Correct Option is B

Solution and Explanation

Step 1: Recognise the reagents
CO plus HCl with AlCl3 is the signature of the Gattermann-Koch reaction, which adds a CHO group to an aromatic ring.

Step 2: Answer
Option (B).

Final Answer:
Gattermann-Koch. \[ \boxed{\text{(B)}\ \text{Gatterman-Koch formylation}} \]
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