Question

Preparation of acetaldehyde from acetyl chloride.

Answer 1

The Rosenmund reduction is a hydrogenation process in which an acyl chloride is selectively reduced to an aldehyde. The reaction was named after Karl Wilhelm Rosenmund, who first reported it in 1918.Rosenmund catalyst can be prepared by reduction of palladium(II) chloride solution in the presence of BaSO4.