Aldehydes and Ketones

CCA! Volume 5

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Aldehydes and Ketones

Addition of bisulfite to cyclohexanone, 2,4-dirntrohelyhydazine test for carbonyl compounds, iodoform test, Tollens test, oxidation of ascorbic acid, aldol condensation, and ketene generator are demonstrated.

Addition of Bisulfite to Cyclohexanone

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1.9 MB
30 seconds

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6 Slides

Cyclohexanone is shaken with an aqueous solution of sodium bisulfite.

2,4-Dinitrophenylhydrazine Test for Carbonyl Compounds

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1.1 MB
17 seconds

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5 Slides

2,4-dinitrophenylhydrazine is added to each of 2-propanol, 2-propanone (acetone), and propionic acid.

Iodoform Test for Methyl Ketones

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1.2 MB
19 seconds

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4 Slides

An aqueous solution of iodine and potassium iodide is added to basic solutions of 2-pentanone and 3-pentanone in aqueous dioxane.

Silver Mirror - Tollens Test for Aldehydes

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4.5 MB
71 seconds

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6 Slides

Solutions of glucose, silver nitrate, ammonium nitrate, and sodium hydroxide are mixed.

Oxidation of Ascorbic Acid

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.7 MB
11 seconds

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4 Slides

Ascorbic acid is immediately oxidized by hexacynoferrate(III) ion.

Aldol Condensation Reactions

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3 movies

Aldol condensation reactions are demonstrated.

Ketene Generator

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2.7 MB
42 seconds

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6 Slides

This movie demonstrates the catalytic action of copper on decomposition of acetone.

Copyright © 2001 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.