Which of the following reactions is an example of Rosenmund reduction?
- A$R-CO-R \xrightarrow[\text{ethylene glycol}]{\text{NH}_2-\text{NH}_2, \Delta, \text{KOH}} R-CH_2-R$
- B$R-CHO \xrightarrow[\Delta]{\text{Zn-Hg} / \text{conc. HCl}} R-CH_3$
- C$R-CO-Cl \xrightarrow[\text{Pd/BaSO}_4]{\text{H}_2} R-CHO + \text{HCl}$
- D$R-CN \xrightarrow[\text{H}_3\text{O}^+]{\text{SnCl}_2 / \text{HCl}} R-CHO + \text{NH}_4\text{Cl}$
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Which of the following is obtained by hydrogenation of benzoyl chloride in the presence of $Pd$ on $BaSO_{4}$?
What is the product of the reduction of benzoyl chloride with $H_2/Pd-BaSO_4$?
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View SolutionWhich reagent from the following is used for the preparation of aliphatic aldehyde from nitriles?
Write the structures of products of the following reactions:
$(i)$ Benzene + $C_{2}H_{5}COCl$ $\xrightarrow{\text{Anhyd. } AlCl_{3}, CS_{2}}$
$(ii)$ $(C_{6}H_{5}CH_{2})_{2}Cd + 2 CH_{3}COCl \rightarrow$
$(iii)$ $H_{3}C - C \equiv C - H$ $\xrightarrow{Hg^{2+}, H_{2}SO_{4}}$
$(iv)$ $p$-Nitrotoluene $\xrightarrow{1. CrO_{2}Cl_{2}, 2. H_{3}O^{+}}$
$(i)$ Benzene + $C_{2}H_{5}COCl$ $\xrightarrow{\text{Anhyd. } AlCl_{3}, CS_{2}}$
$(ii)$ $(C_{6}H_{5}CH_{2})_{2}Cd + 2 CH_{3}COCl \rightarrow$
$(iii)$ $H_{3}C - C \equiv C - H$ $\xrightarrow{Hg^{2+}, H_{2}SO_{4}}$
$(iv)$ $p$-Nitrotoluene $\xrightarrow{1. CrO_{2}Cl_{2}, 2. H_{3}O^{+}}$
Easy
View SolutionThe most suitable reagent for the conversion of $R-CH_2-OH \rightarrow R-CHO$ is:
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