When benzene is treated with CO and HCl in presence of anhydrous aluminium chloride, benzaldehyde is formed. This reaction is known as

Question

When benzene is treated with CO and HCl in presence of anhydrous aluminium chloride, benzaldehyde is formed. This reaction is known as (A) Friedel - Crafts reaction (B) Rosenmund reaction (C) Stephen reaction (D) Gattermann - Koch reaction

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Gattermann - Koch reaction: <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/54298ebf8f65944a47be8b23cc0326a5-.png" />

Q. When benzene is treated with $CO$ and $H Cl$ in presence of anhydrous aluminium chloride, benzaldehyde is formed. This reaction is known as

Friedel - Crafts reaction

Rosenmund reaction

Stephen reaction

Gattermann - Koch reaction

Gattermann - Koch reaction :

Q. When benzene is treated with CO and HCl in presence of anhydrous aluminium chloride, benzaldehyde is formed. This reaction is known as

Friedel - Crafts reaction

Rosenmund reaction

Stephen reaction

Gattermann - Koch reaction

Gattermann - Koch reaction :

Q. When benzene is treated with $CO$ and $H Cl$ in presence of anhydrous aluminium chloride, benzaldehyde is formed. This reaction is known as