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Solution


Q.

Identify the name reaction.                                     [2024]
1 Etard Reaction  
2 Stephen Reaction  
3 Gatterman - Koch Reaction  
4 Rosenmund Reduction  

Ans.

(3)

The reaction of benzene or its derivative is treated with carbon monoxide and hydrogen chloride in the presence of anhydrous aluminium chloride or cuprous chloride to form benzaldehyde or substituted benzaldehyde is called the Gatterman-Koch reaction.