Identify the reactant ?

H_{2} O

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H C H O

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C O

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C H_{3} C H O

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Solution

The correct option is C $C O$
The reactant is carbon monoxide $C O$ . The reaction is Gatterman-Koch synthesis. In this reaction, benzene is formylated to benzaldehyde by using a mixture of $C O$ and $H C l$ under high pressure in presence of a catalyst. Catalyst is mixture of anhydrous aluminium chloride and cuprous chloride.

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Similar questions

C H_{3} C O O H + X Conc. H_{2} S O_{4} - ------ \to C H_{3} C O O C_{2} H_{5} + H_{2} O

H C H O

C H_{3} C H O

+ H_{2} S O_{4} \to N a_{2} S O_{4} + C O_{2} + H_{2} O

N a O H (A) + H C l (B) \to N a C l + H_{2} O

H B r - -- \to

a l c K O H - ----- \to

Z n / H_{2} O - ---- \to O_{3} {C H}_{3} C H O + H C H O

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