Carbohydrate Structure Quiz

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Questions and Answers

Which sugar is classified as a ketohexose?

Glyceraldehyde
Fructose (correct)
Glucose
Ribose

What is the chemical formula for fructose?

C5H10O5
C7H14O7
C3H6O3
C6H12O6 (correct)

What is the configuration of D-Glucose?

D-configuration (correct)
No specific configuration
L-configuration
Mixture of L- and D-configurations

What is the term for the process that creates a new asymmetric center in close spatial proximity in sugars?

Cyclization (B) Signup and view all the answers

Which sugar is an epimer of D-Glucose?

D-Galactose (B) Signup and view all the answers

What is the relationship between the size of s orbitals and the principal quantum number?

The size of s orbitals increases with increasing n (B) Signup and view all the answers

How many radial nodes does a 3s orbital have?

2 nodes (B) Signup and view all the answers

What is the shape of p orbital?

Dumbbell (B) Signup and view all the answers

What is the relationship between the size of p orbitals and the principal quantum number?

The size of p orbitals increases with increasing n (C) Signup and view all the answers

What is a nodal plane in an atomic orbital?

An imaginary flat surface with zero electron density (C) Signup and view all the answers

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.

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Description

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.