The reaction of benzene with CO and HCl in th | vedclass

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(D) The reaction of benzene with $CO$ and $HCl$ in the presence of anhydrous $AlCl_3$ (or $CuCl$) is known as the $Gattermann-Koch$ reaction.This reac

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Benzaldehyde

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(D) The reaction of benzene with $CO$ and $HCl$ in the presence of anhydrous $AlCl_3$ (or $CuCl$) is known as the $Gattermann-Koch$ reaction.This reaction is used to introduce a formyl group $(-CHO)$ into the benzene ring.The overall reaction is: $C_6H_6 + CO + HCl \xrightarrow{anhydrous \ AlCl_3 / CuCl} C_6H_5CHO$.Therefore,the product formed is benzaldehyde.

The reaction of benzene with $CO$ and $HCl$ in the presence of anhydrous $AlCl_3$ gives :

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