10 Questions
Which type of sugar has the molecular formula C6H12O6?
Glucose
Which sugar is classified as an aldohexose?
Glucose
What is the name of the process that creates a new asymmetric carbon center in close spatial proximity in sugars?
Cyclization
What do we call the mirror images of a molecule that cannot be superimposed onto each other?
Enantiomers
Which term describes diastereomers differing in configuration of one carbon only?
Epimers
Glucose and fructose have the same molecular formula, C6H12O6.
True
D-Glucose and D-Fructose are enantiomers.
False
D-Glucose and L-Glucose are diastereomers.
False
The new asymmetric carbon formed during the cyclization of sugars is called an anomer.
False
Glucose can form both α-D-glucopyranose and β-D-glucopyranose structures.
True
Study Notes
Sugar Molecular Formula
- The sugar with the molecular formula C6H12O6 is glucose.
Sugar Classification
- Aldohexose is a classification of sugar that includes glucose.
Sugar Formation Process
- The process that creates a new asymmetric carbon center in close spatial proximity in sugars is called cyclization.
Molecular Symmetry
- Enantiomers are mirror images of a molecule that cannot be superimposed onto each other.
Diastereomers
- Epimers are diastereomers that differ in configuration at only one carbon.
Glucose and Fructose
- Glucose and fructose have the same molecular formula, C6H12O6.
- D-Glucose and D-Fructose are anomers, not enantiomers.
- D-Glucose and L-Glucose are diastereomers, not enantiomers.
Sugar Structures
- The new asymmetric carbon formed during the cyclization of sugars is called an anomer.
- Glucose can form both α-D-glucopyranose and β-D-glucopyranose structures.
Test your knowledge of carbohydrate structure with this quiz covering simple carbohydrates, nomenclature, structures, cyclizations, and modifications. This quiz also explores saccharides and specific monosaccharides such as glucose, fructose, ribose, galactose, and glyceraldehyde.
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