Question 1

Give the major product(s)for the reaction.You may choose more than one answer.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 2

Which of the following statements regarding methyl-β-L-glucopyranoside is correct?

Accepted Answer

A) This glycoside is a reducing sugar. 
B) This glycoside undergoes mutorotation in aqueous base. 
C) This glycoside will undergo no reaction when treated with excess CH3I/Ag2O. 
D) This glycoside will be hydrolyzed to the cyclic hemiacetal in dilute aqueous acid. 
E) This glycoside will readily undergo Kiliani-Fischer chain elongation. 
A) This glycoside is a reducing sugar. 
B) This glycoside undergoes mutorotation in aqueous base. 
C) This glycoside will undergo no reaction when treated with excess CH3I/Ag2O. 
D) This glycoside will be hydrolyzed to the cyclic hemiacetal in dilute aqueous acid. 
E) This glycoside will readily undergo Kiliani-Fischer chain elongation.

Question 3

Draw L-erythrose.

Accepted Answer

The answer of Draw L-erythrose....

Question 4

A pyranose with the hydroxyl group on the anomeric carbon pointing up in the Haworth structure is designated

Accepted Answer

A) a'. 
B) b'. 
C) α) 
D) β) 
E) f) 
A) a'. 
B) b'. 
C) α) 
D) β) 
E) f)

Question 5

Provide the major organic product(s)of the reaction shown.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 6

Which two monosaccharides can be degraded by the Ruff Degradation to D-arabinose?

Accepted Answer

A) D-allose and D-altrose 
B) D-glucose and D-idose 
C) D-galactose and D-talose 
D) D-erythrose and D-threose 
E) D-glucose and D-mannose 
A) D-allose and D-altrose 
B) D-glucose and D-idose 
C) D-galactose and D-talose 
D) D-erythrose and D-threose 
E) D-glucose and D-mannose

Question 7

Give the major product(s)for the following reaction.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

Which of the following is the Haworth projection of a α-D-tagatofuranose?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 9

Which of the following monosaccharides will form D-glucaric acid upon oxidation with nitric acid?

Accepted Answer

A)    
B)    
C)    
D) A and B 
E) A and C 
A)    
B)    
C)    
D) A and B 
E) A and C

Question 10

What is the main structural difference between amylose and cellulose?

Accepted Answer

The main difference is that am

Question 11

Provide the major organic product(s)of the reaction below.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 12

Draw the most stable chair conformer of D-glucose.

Accepted Answer

The answer of Draw the most stable chair conformer of...

Question 13

All chiral D-sugars rotate plane-polarized light

Accepted Answer

A) clockwise. 
B) counterclockwise. 
C) +20.0°. 
D) in a direction that cannot be predicted but must be determined experimentally. 
E) since they are optically inactive. 
A) clockwise. 
B) counterclockwise. 
C) +20.0°. 
D) in a direction that cannot be predicted but must be determined experimentally. 
E) since they are optically inactive.

Question 14

Provide the Fischer projection of the open-chain form of the aldonic acid which results when L-glucose is treated with bromine water.

Accepted Answer

The answer of Provide the Fischer projection of the open-chain...

Question 15

Which of the following is disaccharide?

Accepted Answer

A) galactose 
B) fructose 
C) erythrose 
D) lactose 
E) all of the above 
A) galactose 
B) fructose 
C) erythrose 
D) lactose 
E) all of the above

Question 16

Provide the open-chair structures of the two monosaccharides that result when D-threose undergoes the Kiliani-Fischer synthesis.

Accepted Answer

The answer of Provide the open-chair structures of the two...

Question 17

Provide the major organic product(s)of the reaction below.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 18

Draw the Fischer projection for the open-chain form of D-glucose.

Accepted Answer

The answer of Draw the Fischer projection for the open-chain...

Question 19

Which of the following is methyl-α-D-glucopyranoside?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 20

Draw the Fischer projection for the open-chain form of D-fructose.

Accepted Answer

The answer of Draw the Fischer projection for the open-chain...

Exam 20: The Organic Chemistry of Carbohydrates

Give the major product(s)for the reaction.You may choose more than one answer.

Which of the following statements regarding methyl-β-L-glucopyranoside is correct?

Draw L-erythrose.

A pyranose with the hydroxyl group on the anomeric carbon pointing up in the Haworth structure is designated

Provide the major organic product(s)of the reaction shown.

Which two monosaccharides can be degraded by the Ruff Degradation to D-arabinose?

Give the major product(s)for the following reaction.

Which of the following is the Haworth projection of a α-D-tagatofuranose?

Which of the following monosaccharides will form D-glucaric acid upon oxidation with nitric acid?

What is the main structural difference between amylose and cellulose?

Provide the major organic product(s)of the reaction below.

Draw the most stable chair conformer of D-glucose.

All chiral D-sugars rotate plane-polarized light

Provide the Fischer projection of the open-chain form of the aldonic acid which results when L-glucose is treated with bromine water.

Which of the following is disaccharide?

Provide the open-chair structures of the two monosaccharides that result when D-threose undergoes the Kiliani-Fischer synthesis.

Provide the major organic product(s)of the reaction below.

Draw the Fischer projection for the open-chain form of D-glucose.

Which of the following is methyl-α-D-glucopyranoside?

Draw the Fischer projection for the open-chain form of D-fructose.

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

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