10 Questions
Which sugar is classified as a ketohexose?
Fructose
What is the chemical formula for fructose?
C6H12O6
What is the configuration of D-Glucose?
D-configuration
What is the term for the process that creates a new asymmetric center in close spatial proximity in sugars?
Cyclization
Which sugar is an epimer of D-Glucose?
D-Galactose
What is the relationship between the size of s orbitals and the principal quantum number?
The size of s orbitals increases with increasing n
How many radial nodes does a 3s orbital have?
2 nodes
What is the shape of p orbital?
Dumbbell
What is the relationship between the size of p orbitals and the principal quantum number?
The size of p orbitals increases with increasing n
What is a nodal plane in an atomic orbital?
An imaginary flat surface with zero electron density
Study Notes
Carbohydrates
- Fructose is classified as a ketohexose.
- The chemical formula for fructose is C6H12O6.
- D-Glucose has an aldohexose configuration.
Stereochemistry
- Epimerization is the process that creates a new asymmetric center in close spatial proximity in sugars.
- D-Mannose is an epimer of D-Glucose.
Atomic Orbitals
- The size of s orbitals increases as the principal quantum number increases.
- A 3s orbital has 2 radial nodes.
- A p orbital has a dumbbell shape.
- The size of p orbitals increases as the principal quantum number increases.
- A nodal plane in an atomic orbital is a region where the probability of finding an electron is zero.
Test your knowledge of carbohydrate structure with this quiz. Explore simple carbohydrate nomenclature, structures, cyclizations, modifications, and monosaccharides such as glucose, fructose, ribose, galactose, and glyceraldehyde.
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