Question 1

Give the common name for the following structure.

Accepted Answer

The answer of Give the common name for the following...

Question 2

What is epimerization?

Accepted Answer

A) involves changing the configuration of a carbon of a monosaccharide through deprotonation followed by reprotonation 
B) involves oxidation of an aldose 
C) involves lengthening the chain of an aldose 
D) involves reduction of an aldose 
E) none of the above 
A) involves changing the configuration of a carbon of a monosaccharide through deprotonation followed by reprotonation 
B) involves oxidation of an aldose 
C) involves lengthening the chain of an aldose 
D) involves reduction of an aldose 
E) none of the above

Question 3

Is L-glucose the enantiomer of D-glucose,the C-5 epimer of D-glucose,or both?

Accepted Answer

L-glucose is the enantiomer of D-glucose

Question 4

At which carbon are the following sugars epimers of each other?

Accepted Answer

A) C-1 
B) C-2 
C) C-3 
D) C-4 
E) C-5 
A) C-1 
B) C-2 
C) C-3 
D) C-4 
E) C-5

Question 5

Six-membered cyclic hemiacetals and five-membered cyclic hemiacetals are called,respectively

Accepted Answer

A) mannoses and xyloses. 
B) maltoses and arabinoses. 
C) pyranoses and fructoses. 
D) glycoses and fructoses. 
E) none of the above. 
A) mannoses and xyloses. 
B) maltoses and arabinoses. 
C) pyranoses and fructoses. 
D) glycoses and fructoses. 
E) none of the above.

Question 6

Draw the Haworth structure of α-D-ribofuranose.

Accepted Answer

The answer of Draw the Haworth structure of α-D-ribofuranose....

Question 7

Give the name for the following compound.

Accepted Answer

A) a-maltose 
B) b-maltose 
C) a-cellobiose 
D) b-cellobiose 
E) a-lactose 
A) a-maltose 
B) b-maltose 
C) a-cellobiose 
D) b-cellobiose 
E) a-lactose

Question 8

Which of the following sequences is known as a Kiliani-Fischer chain elongation?

Accepted Answer

A) 1)Fe3+,H2O2 2.Br2,H2O 3.Ca(OH)2 
B) 1)CN- 2.H2,Pd/BaSO4 3.H3O+ 
C) 1)NaBH4 2.H2O 3.Br2,H2O 
D) 1)acetic anhydride (excess),pyridine 2.CH3I (excess),Ag2O 
E) 1)CH3OH,H+,Δ 2.AgNO3,Δ 
A) 1)Fe3+,H2O2 2.Br2,H2O 3.Ca(OH)2 
B) 1)CN- 2.H2,Pd/BaSO4 3.H3O+ 
C) 1)NaBH4 2.H2O 3.Br2,H2O 
D) 1)acetic anhydride (excess),pyridine 2.CH3I (excess),Ag2O 
E) 1)CH3OH,H+,Δ 2.AgNO3,Δ

Question 9

The open-chain form of D-idose is shown below.Draw the open-chain form of the C-3 epimer of D-idose.

Accepted Answer

The answer of The open-chain form of D-idose is shown...

Question 10

Which of the following represents the general formula of a carbohydrate?

Accepted Answer

A) CnH2n+2 
B) CnH2n 
C) CnH2n-2 
D) Cn(H2O)n 
E) Cn(HO)n 
A) CnH2n+2 
B) CnH2n 
C) CnH2n-2 
D) Cn(H2O)n 
E) Cn(HO)n

Give the common name for the following structure.

What is epimerization?

Is L-glucose the enantiomer of D-glucose,the C-5 epimer of D-glucose,or both?

At which carbon are the following sugars epimers of each other?

Six-membered cyclic hemiacetals and five-membered cyclic hemiacetals are called,respectively

Draw the Haworth structure of α-D-ribofuranose.

Give the name for the following compound.

Which of the following sequences is known as a Kiliani-Fischer chain elongation?

The open-chain form of D-idose is shown below.Draw the open-chain form of the C-3 epimer of D-idose.

Which of the following represents the general formula of a carbohydrate?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Exam 20: The Organic Chemistry of Carbohydrates

Give the common name for the following structure.

What is epimerization?

Is L-glucose the enantiomer of D-glucose,the C-5 epimer of D-glucose,or both?

At which carbon are the following sugars epimers of each other?

Six-membered cyclic hemiacetals and five-membered cyclic hemiacetals are called,respectively

Draw the Haworth structure of α-D-ribofuranose.

Give the name for the following compound.

Which of the following sequences is known as a Kiliani-Fischer chain elongation?

The open-chain form of D-idose is shown below.Draw the open-chain form of the C-3 epimer of D-idose.

Which of the following represents the general formula of a carbohydrate?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters