What reagent is used in the Etard reaction?
- AChromyl chloride
- BEthanoyl chloride
- C$SnCl_2$ and $HCl$
- DCadmium chloride
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An acyl chloride is hydrogenated over a catalyst of palladium on barium sulphate to form an aldehyde. This reaction is called:
$R-C \equiv N + SnCl_2 + HCl$ $\longrightarrow A$ $\xrightarrow{H_3O^+} RCHO$. The above reaction is known as:
Difficult
View SolutionWhat are $X$ and $Y$ in the following reactions?
Match List-$I$ with List-$II$:
List-$I$ List-$II$ $A$. $RCN \xrightarrow[(ii) H_3O^+]{(i) SnCl_2, HCl} RCHO$ $I$. Etard reaction $B$. $C_6H_5COCl \xrightarrow{H_2, Pd-BaSO_4} C_6H_5CHO$ $II$. Gatterman-Koch reaction $C$. $C_6H_5CH_3 \xrightarrow[(ii) H_3O^+]{(i) CrO_2Cl_2, CS_2} C_6H_5CHO$ $III$. Rosenmund reduction $D$. $C_6H_6 \xrightarrow[(ii) \text{anhydrous } AlCl_3/CuCl]{(i) CO, HCl} C_6H_5CHO$ $IV$. Stephen reaction
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
|---|---|
| $A$. $RCN \xrightarrow[(ii) H_3O^+]{(i) SnCl_2, HCl} RCHO$ | $I$. Etard reaction |
| $B$. $C_6H_5COCl \xrightarrow{H_2, Pd-BaSO_4} C_6H_5CHO$ | $II$. Gatterman-Koch reaction |
| $C$. $C_6H_5CH_3 \xrightarrow[(ii) H_3O^+]{(i) CrO_2Cl_2, CS_2} C_6H_5CHO$ | $III$. Rosenmund reduction |
| $D$. $C_6H_6 \xrightarrow[(ii) \text{anhydrous } AlCl_3/CuCl]{(i) CO, HCl} C_6H_5CHO$ | $IV$. Stephen reaction |
Choose the correct answer from the options given below:
The most suitable reagent for the conversion of $R-CH_2-OH \rightarrow R-CHO$ is:
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