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3 Videos
4 Assessment Questions
118 Molecular Structures
12 Journal Articles
13 Other Resources
Videos: 3 results
Sucrose Dehydration gives Sulfur Dioxide  
Sulfuric acid dehydrates sucrose forming carbon.
Carbohydrates |
Oxidation / Reduction |
Reactions
Benedict's Test for Reducing Sugars  
Tests for glucose, sucrose, and fructose.
Carbohydrates |
Oxidation / Reduction |
Qualitative Analysis
Formation of Carbon from Carbohydrate  
Sulfuric acid has a very high affinity for water. It is shown to dehydrate a carbohydrate (sucrose) forming carbon. Sulfuric acid is reduced to sulfur dioxide, which bleaches a rose petal. In a second experiment, the sulfur dioxide reduces purple permanganate to nearly colorless manganese(II).
Acids / Bases |
Carbohydrates |
Oxidation / Reduction |
Reactions
Assessment Questions: First 3 results
Biochemistry : Anomer (20 Variations)
Classify each of the following monosaccharides as the or anomer.
Carbohydrates
Biochemistry : Disaccharide (20 Variations)
Classify each of the following disaccharides as having an or glycosidic bond.
Carbohydrates
Biochemistry : Carbform (20 Variations)
Which of the following molecules could be a carbohydrate?
Carbohydrates
View all 4 results
Molecular Structures: First 3 results
d-altrose C6H12O6

3D Structure

Link to PubChem

Carbohydrates

d-glucose C6H12O6

3D Structure

Link to PubChem

Carbohydrates

D-glucitol C6H14O6

3D Structure

Link to PubChem

Alcohols |
Carbohydrates

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Journal Articles: First 3 results.
Pedagogies:
Synthesis of Anomeric Methyl Fructofuranosides and Their Separation on an Ion-exchange Resin  Erkki Nurminen, Päivi Poijärvi, Katja Koskua, and Jari Hovinen
Treatment of d-fructose with methanol in the presence of acid as a catalyst gives a mixture of methyl--d-fructopyranoside, methyl-a-D-fructofuranoside, and methyl--d- fructofuranoside, which are separated on an ion exchange column and characterized polarimetrically.
Nurminen, Erkki; Poijärvi, Päivi; Koskua, Katja; Hovinen, Jari. J. Chem. Educ. 2007, 84, 1480.
Carbocations |
Chirality / Optical Activity |
Chromatography |
Ion Exchange |
NMR Spectroscopy |
Synthesis |
Thin Layer Chromatography |
Carbohydrates
Use of Optical Rotation and NMR Signal Counting To Identify Common Aldoses  John Almy
An inexpensive, small scale experiment for second semester organic students describes the unambiguous identification of a common aldose "unknown" from five possible candidates: glucose, mannose, galactose, arabinose, or xylose
Almy, John. J. Chem. Educ. 2004, 81, 708.
NMR Spectroscopy |
Carbohydrates |
Microscale Lab |
Molecular Properties / Structure |
Stereochemistry
A New Method To Convert the Fischer Projection of Monosaccharide to the Haworth Projection  Qing-zhi Zhang and Shen-song Zhang
The D,L-configuration of a sugar in Haworth projection can be directly determined by designating the R,S-configuration of the highest-numbered asymmetric carbon; that is, the most distant carbon from the anomeric carbon. The R-configuration at this carbon corresponds to the D-family, and S- to the L-family.
Zhang, Qing-zhi; Zhang, Shen-song. J. Chem. Educ. 1999, 76, 799.
Carbohydrates |
Stereochemistry |
Molecular Properties / Structure |
Molecular Modeling
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Other Resources: First 3 results
Simple Sugars  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Carbohydrates
Disaccharides  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Carbohydrates
Carbohydrates  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Carbohydrates
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