Carbonyl Compounds

Carbonyl Compounds Aldehydes and Ketones

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aldehydes vs. Ketones ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Back to Contents

Testing for Carbonyl Compounds ,[object Object],[object Object],[object Object],[object Object],[object Object],Back to Contents

Distinguishing Between Aldehydes and Ketones  Mild Oxidation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],In both tests the aldehyde is oxidised to a carboxylate salt Tollen’s Reagent is better because it works with all aldehydes. Both don’t work with ketones but vigorous oxidation will work Back to Contents

Oxidation of Aldehydes (Primary Alcohols) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Back to Contents

Oxidation of Ketones (Secondary Alcohols) ,[object Object],[object Object],[object Object],Back to Contents

Neucleophilic Addition Reaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Primary alcohol Secondary alcohol Back to Contents

Definitions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Back to Contents

Summary Back to Contents Aldehyde Reacts with 2,4-DNP(H) Yellow/orange precipitate Reduced to Primary alcohol Oxidised to Carboxylic acid Ketones Reacts with 2,4-DNP(H) Yellow/orange precipitate Reduced to Secondary alcohol Not oxidised

Carbonyl Compounds

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Carbonyl Compounds