Question:medium
The reaction of benzene with CO and HCl in the presence of anhydrous AlCl\(_3\) gives a compound X. X can also be obtained from which of the following reaction?
The reaction of benzene with CO and HCl in the presence of anhydrous AlCl\(_3\) gives a compound X. X can also be obtained from which of the following reaction?
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Remember these key named reactions for preparing benzaldehyde:
- \textbf{Gattermann-Koch:} Benzene + CO/HCl + AlCl\(_3\)/CuCl.
- \textbf{Gattermann:} Benzene + HCN/HCl + AlCl\(_3\).
- \textbf{Rosenmund Reduction:} Benzoyl chloride + H\(_2\)/Pd-BaSO\(_4\).
- \textbf{Stephen Reaction:} Benzonitrile + SnCl\(_2\)/HCl, then hydrolysis.
- \textbf{Etard Reaction:} Toluene + CrO\(_2\)Cl\(_2\).
Updated On: Mar 30, 2026
- Benzyl alcohol with CrO\(_3\)-H\(_2\)SO\(_4\)
- Toluene with KMnO\(_4\)|OH\(^-\)
- Benzoyl chloride with H\(_2\)-Pd/BaSO\(_4\)
- Benzonitrile with (i) LiAlH\(_4\) (ii) H\(_3\)O\(^+\)
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The Correct Option is C
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