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Alcohols Oxidation of alcohols with chromic acid, oxidation of glycerin with potassium permanganate, Lucas test, ethanol cannon, and construction of a baster ball cannon are demonstrated.
Alcohols
Phenols and Quinones Ferric chloride test for phenols, nitration of acetaminophen, extraction of dichloroindophenol, oxidation of phenols with sodium periodate, nucleophilic addition to quinones, "purple benzene", oxidation of 2,6-Dit-butlhydoquinone, decolorization of crystal violet, and chameleon emulsion are demonstrated.
Quantitative Analysis of Nail Polish Remover Using Nuclear Magnetic Resonance Spectroscopy RevisitedMarkus M. Hoffmann, Joshua T. Caccamis, Mark P. Heitz, and Kenneth D. Schlecht Substantial modifications intended for a second- or third-year laboratory course in analytical chemistry are presented for a previously described procedure using NMR spectroscopy to quantitatively determine analytes in commercial nail polish remover. The revised experiment introduces student collaboration to critically interpret a relatively large set of data. Hoffmann, Markus M.; Caccamis, Joshua T.; Heitz, Mark P.; Schlecht, Kenneth D. J. Chem. Educ.2008, 85, 1421.
Alcohols |
Aldehydes / Ketones |
Consumer Chemistry |
Instrumental Methods |
Laboratory Equipment / Apparatus |
NMR Spectroscopy |
Quantitative Analysis
The Comparative Nucleophilicity of Naphthoxide Derivatives in Reactions with a Fast-Red TR DyeCheryl M. Mascarenhas In this experiment, organic chemistry students perform reactions between three naphthyl acetate derivatives and the diazonium salt Fast-Red TR. Students discover under what conditions the hydrolysis and electrophilic aromatic substitution is fastest and slowest, allowing them to conclude that latter, rather than the former, is rate-limiting. Mascarenhas, Cheryl M. J. Chem. Educ.2008, 85, 1271.
Alcohols |
Aromatic Compounds |
Dyes / Pigments |
Esters |
IR Spectroscopy |
NMR Spectroscopy |
Synthesis |
Thin Layer Chromatography |
UV-Vis Spectroscopy
Synthesis and Characterization of 9-Hydroxyphenalenone Using 2D NMR TechniquesBenjamin Caes and Dell Jensen Jr. The synthesis of 9-Hydroxyphenalenone produces a planar multicyclic beta-ketoenol, the tautomerization of which results in C2v symmetry on the NMR time scale, thus simplifying the spectra and providing a unique structure for teaching 2D NMR spectroscopy. Caes, Benjamin; Jensen, Dell, Jr. J. Chem. Educ.2008, 85, 413.
SpecScan; A Utility Program for Generating Numerical Data from Printed Forms of SpectraConstantinos E. Efstathiou Obtaining digital data from analog figures is made much easier using this Windows utility. After scanning and touching-up a figure, you can import it into SpecScan to obtain X-Y data, which can then be exported to Excel or other program for additional processing.
Spectroscopy
3D NormalModes Shockwave; A Web Application for Interactive Visualization and Three Dimensional PercNickolas D. Charistos, C. A. Tsipis, Michael P. Sigalas 3D Normal Modes is a Web application for interactive visualization and three-dimensional perception of the normal modes of molecular vibration, suitable for undergraduate students in chemistry. The application uses the Macromedia Shockwave plug-in and has been designed and developed especially for the Web. It has a simple graphical user interface and requires a download of only 120 KB, allowing it to be used even with low bandwidth Internet connections. Its performance is comparable to a desktop application.
IR Spectroscopy |
Raman Spectroscopy
Atomic Spectra and the Bohr TheoryEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
