Which of the following reactions is Rosenmund reduction?
- A$R-COCl + H_2 \xrightarrow{Pd-BaSO_4} R-CHO + HCl$
- B$R-CN \xrightarrow{SnCl_2, HCl} R-CHO + NH_4Cl$
- C$R-CHO \xrightarrow{Zn-Hg, \text{conc. } HCl} R-CH_3 + H_2O$
- D$Ar-CH_3 \xrightarrow{CrO_2Cl_2, CS_2} Ar-CHO$
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Similar Questions
Reduction of acetyl chloride with $H_2$ in the presence of $Pd$ gives:
Medium
View SolutionMatch List-$I$ with List-$II$.
$A$. $C_6H_5COCl + H_2 \xrightarrow{Pd-BaSO_4} C_6H_5CHO$ $I$. Gattermann-Koch reaction $B$. $CH_3CN + SnCl_2 + HCl \rightarrow CH_3CHO$ $II$. Etard reaction $C$. $C_6H_5CH_3 + CrO_2Cl_2 \rightarrow C_6H_5CHO$ $III$. Stephen reaction $D$. $C_6H_6 + CO + HCl \xrightarrow{AlCl_3} C_6H_5CHO$ $IV$. Rosenmund reaction
Choose the correct answer from the options given below.
| $A$. $C_6H_5COCl + H_2 \xrightarrow{Pd-BaSO_4} C_6H_5CHO$ | $I$. Gattermann-Koch reaction |
| $B$. $CH_3CN + SnCl_2 + HCl \rightarrow CH_3CHO$ | $II$. Etard reaction |
| $C$. $C_6H_5CH_3 + CrO_2Cl_2 \rightarrow C_6H_5CHO$ | $III$. Stephen reaction |
| $D$. $C_6H_6 + CO + HCl \xrightarrow{AlCl_3} C_6H_5CHO$ | $IV$. Rosenmund reaction |
Choose the correct answer from the options given below.
DifficultJEE MAIN 2022
View SolutionWhich of the following represents the Etard reaction?
What are $X$ and $Y$ in the following reactions?
In the reaction,$C_6H_5CN$ $\xrightarrow[(ii) H_3O^+]{(i) SnCl_2 + HCl} X$ $\xrightarrow{conc. KOH} Y + Z$,the formation of $X, Y$ and $Z$ are known by:
MediumKCET 2023
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