Question 1

Which of the following is a D-aldopentose?

Accepted Answer

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

Question 2

Identify the monosaccharide(s) in $\beta$-lactose.

Accepted Answer

@#LAT-DLM&-D-galacto

Question 3

Identify the compound that is found in nature.

Accepted Answer

A)  D-(+)-glyceraldehyde 
B)  L-(+)-glyceraldehyde 
C)  D-(-)-glyceraldehyde 
D)  L-(-)-glyceraldehyde 
E)  none of these 
A)  D-(+)-glyceraldehyde 
B)  L-(+)-glyceraldehyde 
C)  D-(-)-glyceraldehyde 
D)  L-(-)-glyceraldehyde 
E)  none of these

Question 4

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

The answer of Provide the reagents necessary to carry out...

Question 5

Draw a Fisher projection for the enantiomer of D-glucose.

Accepted Answer

The answer of Draw a Fisher projection for the enantiomer...

Question 6

Which of the following is a ketopentose?

Accepted Answer

A)  D-lyxose 
B)  D-fructose 
C)  D-ribose 
D)  D-glucose 
E)  D-xylulose 
A)  D-lyxose 
B)  D-fructose 
C)  D-ribose 
D)  D-glucose 
E)  D-xylulose

Question 7

Which of the following compounds would produce D-glucose and D-mannose when treated with HCN followed by H2/Pd/BaSO4/H2O?

Accepted Answer

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

Question 8

Simple sugars are called_______ , a term that derives from the Latin word for sugar, saccharum.

Accepted Answer

A)  monosaccharides 
B)  disaccharides 
C)  polysaccharides 
D)  saccharides 
E)  all of these 
A)  monosaccharides 
B)  disaccharides 
C)  polysaccharides 
D)  saccharides 
E)  all of these

Question 9

Which of the following compound(s) is a glycoside?

Accepted Answer

A)  I 
B)  II 
C)  II and III 
D)  III and IV 
E)  II, III and IV 
A)  I 
B)  II 
C)  II and III 
D)  III and IV 
E)  II, III and IV

Question 10

Predict the product(s) for the following reaction.

Accepted Answer

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

Question 11

In the Fischer projection of D-glyceraldehyde the OH group connected to the chirality center farthest from the carbonyl group is pointing _______.

Accepted Answer

A)  to the left 
B)  to the right 
C)  up 
D)  down 
E)  all of these 
A)  to the left 
B)  to the right 
C)  up 
D)  down 
E)  all of these

Question 12

Predict the product(s) for the following Wohl degradation.

Accepted Answer

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

Question 13

Draw a Fisher projection for D-fructose.

Accepted Answer

The answer of Draw a Fisher projection for D-fructose....

Question 14

What is the correct name for the following compound?

Accepted Answer

A)  ($\alpha$-D-glucopyranose) 
B)  ($\alpha$-D-allopyranose) 
C)  ($\beta$-D-glucopyranose) 
D)  ($\alpha$-D-galactopyranose) 
E)  ($\beta$-D-gulopyranose) 
A)  ($\alpha$-D-glucopyranose) 
B)  ($\alpha$-D-allopyranose) 
C)  ($\beta$-D-glucopyranose) 
D)  ($\alpha$-D-galactopyranose) 
E)  ($\beta$-D-gulopyranose)

Question 15

Predict the product(s) for the following reaction.

Accepted Answer

The answer of Predict the product(s) for the following reaction....

Question 16

Which of the following would reduce a Fehling solution?

Accepted Answer

A)  maltose 
B)  cellobiose 
C)  sucrose 
D)  lactose 
E)  A, B and D 
A)  maltose 
B)  cellobiose 
C)  sucrose 
D)  lactose 
E)  A, B and D

Question 17

Predict the product(s) for the following reaction.

Accepted Answer

A)  I 
B)  I and II 
C)  III and IV 
D)  IV 
E)  I, II and IV 
A)  I 
B)  I and II 
C)  III and IV 
D)  IV 
E)  I, II and IV

Question 18

Which of the following structures represent $\beta$-D-glucopyranose?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of these

Question 19

Which of the following compound(s) would undergo mutarotation in aqueous solution?

Accepted Answer

A)  I 
B)  II and III 
C)  III and IV 
D)  I, II, and III 
E)  all of these 
A)  I 
B)  II and III 
C)  III and IV 
D)  I, II, and III 
E)  all of these

Question 20

Which of the following best describes the relationship between D-glucose and D-fructose?

Accepted Answer

A)  enantiomers 
B)  epimers 
C)  anomers 
D)  constitutional isomers 
E)  diastereomers 
A)  enantiomers 
B)  epimers 
C)  anomers 
D)  constitutional isomers 
E)  diastereomers

Exam 24: Carbohydrates

Which of the following is a D-aldopentose?

Identify the monosaccharide(s) in β\betaβ -lactose.

Identify the compound that is found in nature.

Provide the reagents necessary to carry out the following conversion.

Draw a Fisher projection for the enantiomer of D-glucose.

Which of the following is a ketopentose?

Which of the following compounds would produce D-glucose and D-mannose when treated with HCN followed by H2/Pd/BaSO4/H2O?

Simple sugars are called_______ , a term that derives from the Latin word for sugar, saccharum.

Which of the following compound(s) is a glycoside?

Predict the product(s) for the following reaction.

In the Fischer projection of D-glyceraldehyde the OH group connected to the chirality center farthest from the carbonyl group is pointing _______.

Predict the product(s) for the following Wohl degradation.

Draw a Fisher projection for D-fructose.

What is the correct name for the following compound?

Predict the product(s) for the following reaction.

Which of the following would reduce a Fehling solution?

Predict the product(s) for the following reaction.

Which of the following structures represent β\betaβ -D-glucopyranose?

Which of the following compound(s) would undergo mutarotation in aqueous solution?

Which of the following best describes the relationship between D-glucose and D-fructose?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Identify the monosaccharide(s) in $\beta$ -lactose.

Which of the following compounds would produce D-glucose and D-mannose when treated with HCN followed by H₂/Pd/BaSO₄/H₂O?

Which of the following structures represent $\beta$ -D-glucopyranose? $Which of the following structures represent \beta -D-glucopyranose?$ $Which of the following structures represent \beta -D-glucopyranose?$