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| 2,4-Dinitrophenylhydrazine Test for Carbonyl Compounds |
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Voiceover
A solution of 2,4-dinitrophenylhydrazine is added to each of three test tubes containing 2-propanol, 2-propanone (acetone), and propionic acid. An orange precipitate forms with the 2-propanone indicating the presence of an aldehyde or ketone functional group.
Discussion
Orange 2,4-dinitrophenylhydrazine forms with the 2-propanone indicating the presence of an aldehyde or ketone.
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Citation:
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Shriner, R. L.; Fuson, R. C.; Curtin, D. Y.; Morrill, T. C.
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The Systematic Identification of Organic Compounds; 6th ed.; Wiley: New York, 1980; pp 162-163.
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Design, Text and Demonstrator:
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Gary Trammell
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University of Illinois at Springfield, Springfield, IL 62794
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Videographer/Editor:
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Steve Dykema
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University of Illinois at Springfield, Springfield, IL 62794
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Voice:
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Margaret Biddle
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University of Wisconsin - Madison, Madison, WI 53706
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Audio Production:
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Greg Minix
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University of Wisconsin - Madison, College of Engineering, Madison, WI 53706
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Jerrold J. Jacobsen
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University of Wisconsin - Madison, Madison, WI 53706
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