XH2 along with boiling xylene−−−−−−−−−−−−−−−−−→Pd/BaSO4CH3CHO
In the above reaction, X is CH3COCl.
CH3COClXH2 along with boiling xylene−−−−−−−−−−−−−−−−−→Pd/BaSO4CH3CHO
Thus, an acid chloride is converted to an aldehyde in this reaction by hydrogenation.