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From Alcohols
(a) By Direct oxidation:Aldehydes are prepared by oxidation of 1° alcohols. Refer to Alcohols
(b) By catalytic dehydrogenation
From Acid chlorides
Aldehydes are prepared from acid chlorides by reaction with H2 in the presence of palladium catalyst supported on BaSO4.
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Class 12 Chemistry Aldehydes, Ketones and Carboxylic Acids All Topic Notes Class 12 Chemistry All Chapters Notes
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