Question 1

The following monosaccharide has ________ equatorial hydroxyl groups.  _

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) A) and C)
G) B) and E)

Question 2

Hydrolysis of the disaccharide maltose produces:

Accepted Answer

A)   sucrose
B)   glucose
C)   mannose
D)   glucose and fructose
E)   glucose and galactoseF) D) and E)
G) None of the above

Question 3

Which of the following can be considered a polysaccharide?

Accepted Answer

A)   sucrose
B)   cellobiose
C)   lactose
D)   maltose
E)   celluloseF) A) and D)
G) A) and B)

Question 4

A Newman projection formula for  is:

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) B) and D)

Question 5

An intermediate in the following glycoside hydrolysis is:

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) None of the above
G) B) and D)

Question 6

Which of the following can be classified as epimers?

Accepted Answer

A)   1 and 2
B)   1 and 3
C)   1 and 4
D)   3 and 4
E)   none are epimersF) C) and D)
G) C) and E)

Question 7

The product of the reaction below is:

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and C)
G) A) and B)

Question 8

Which of the following structures represent glycosides?

Accepted Answer

A)   only 1
B)   only 2
C)   only 3
D)   1 and 2
E)   1, 2, and 3F) None of the above
G) All of the above

Question 9

Treatment of D-(+) -mannose with Fehling's reagent (Cu+2)  gives: +2)  gives:   A)  an aldose B)  a ketose C)  an alditol D)  an aldonic acid E)  an aldaric acid" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   an aldose
B)   a ketose
C)   an alditol
D)   an aldonic acid
E)   an aldaric acidF) A) and C)
G) C) and E)

Question 10

The acyclic structure of D-glucose is:  The formula for ethyl  α\alphaα -D-glucopyranoside is:

Accepted Answer

A)   
B)   
C)   
D)   
E)    F) B) and E)
G) B) and D)

Question 11

A 1,4- β\betaβ -linkage between two glucose units produces a disaccharide called:

Accepted Answer

A)   dextrose
B)   cellobiose
C)   ribose
D)   maltose
E)   amylose F) A) and E)
G) A) and B)

Question 12

Which of the following reagents will oxidize an aldose to an aldaric acid?

Accepted Answer

A)   HNO3
B)   Br2, H2O
C)   NaBH4
D)   PCC
E)   Tollens' reagentF) A) and B)
G) C) and D)

Question 13

The formula for maltose is:  The acetal carbon(s)  is(are) :

Accepted Answer

A)   C1
B)   C1 and C1'
C)   C1 and C4
D)   C1'
E)   C1' and C4'F) C) and D)
G) A) and E)

Question 14

Which of the following can be considered reducing sugars?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   1, 2, 3, and 4F) A) and E)
G) B) and E)

Question 15

D-Glucose reacts with acetic anhydride to produce:

Accepted Answer

A)   ethers
B)   esters
C)   carboxylic acids
D)   alcohols
E)   aldehydesF) B) and C)
G) None of the above

Question 16

How many hydroxyl groups are present in the pyranose form of glucose?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) B) and C)
G) All of the above

Question 17

A glycoside is formed upon reaction of glucopyranose with:

Accepted Answer

A)   KMnO4
B)   HNO3
C)   Cu+2/OH-
D)   CH3OH/H+
E)   NaBH4F) A) and B)
G) A) and C)

Question 18

Treatment of methyl  α\alphaα -D-glucopyranose with silver oxide and iodomethane (Ag2O, CH3I)  followed by hydrolysis (H3O+)  2O, CH3I)  followed by hydrolysis (H3O+)     gives: A)    B)    C)    D)    E)    " class="answers-bank-image d-inline" rel="preload" >  gives:

Accepted Answer

A)   2O, CH3I)  followed by hydrolysis (H3O+)     gives: 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
B)   2O, CH3I)  followed by hydrolysis (H3O+)     gives: 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
C)   2O, CH3I)  followed by hydrolysis (H3O+)     gives: 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
D)   2O, CH3I)  followed by hydrolysis (H3O+)     gives: 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
E)   2O, CH3I)  followed by hydrolysis (H3O+)     gives: 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" > F) C) and D)
G) B) and E)

Question 19

Oxidation of optically active D-erythrose with nitric acid produces optically inactive meso-tartaric acid (below) .What is the structure of D-erythrose?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) C) and E)

Question 20

Another name for the disaccharide, 4-O-( β\betaβ -D-galactopyranosyl) - β\betaβ -glucopyranose, is:

Accepted Answer

A)   sucrose
B)   cellobiose
C)   lactose
D)   maltose
E)   amylose F) A) and C)
G) A) and B)

Exam 16: Carbohydrates

A 1,4- $\beta$ -linkage between two glucose units produces a disaccharide called:

Correct Answer
verified

A glycoside is formed upon reaction of glucopyranose with:

Correct Answer
verified

The following monosaccharide has ________ equatorial hydroxyl groups. _

Correct Answer
verified

Correct Answer
verified

Which of the following can be considered a polysaccharide?

Correct Answer
verified

The formula for maltose is: The acetal carbon(s) is(are) :

Correct Answer
verified

The acyclic structure of D-glucose is: $The acyclic structure of D-glucose is: The formula for ethyl \alpha -D-glucopyranoside is: A) B) C) D) E)$ The formula for ethyl $\alpha$ -D-glucopyranoside is:

Correct Answer
verified

Which of the following can be considered reducing sugars?

Correct Answer
verified

An intermediate in the following glycoside hydrolysis is:

Correct Answer
verified

A Newman projection formula for is:

Correct Answer
verified

Hydrolysis of the disaccharide maltose produces:

Correct Answer
verified

D-Glucose reacts with acetic anhydride to produce:

Correct Answer
verified

The product of the reaction below is:

Correct Answer
verified

Another name for the disaccharide, 4-O-( $\beta$ -D-galactopyranosyl) - $\beta$ -glucopyranose, is:

Correct Answer
verified

Which of the following structures represent glycosides?

Correct Answer
verified

Treatment of D-(+) -mannose with Fehling's reagent (Cu⁺²) gives:

Correct Answer
verified

Which of the following reagents will oxidize an aldose to an aldaric acid?

Correct Answer
verified

Oxidation of optically active D-erythrose with nitric acid produces optically inactive meso-tartaric acid (below) .What is the structure of D-erythrose?

Correct Answer
verified

Which of the following can be classified as epimers?

Correct Answer
verified

How many hydroxyl groups are present in the pyranose form of glucose?

Correct Answer
verified

Exam 16: Carbohydrates

A 1,4- β\betaβ -linkage between two glucose units produces a disaccharide called:

Correct AnswerverifiedShow Answer

A glycoside is formed upon reaction of glucopyranose with:

Correct AnswerverifiedShow Answer

The following monosaccharide has ________ equatorial hydroxyl groups. _

Correct AnswerverifiedShow Answer

Treatment of methyl α\alphaα -D-glucopyranose with silver oxide and iodomethane (Ag2O, CH3I) followed by hydrolysis (H3O+) gives:

Correct AnswerverifiedShow Answer

Which of the following can be considered a polysaccharide?

Correct AnswerverifiedShow Answer

The formula for maltose is: The acetal carbon(s) is(are) :

Correct AnswerverifiedShow Answer

The acyclic structure of D-glucose is: The formula for ethyl α\alphaα -D-glucopyranoside is:

Correct AnswerverifiedShow Answer

Which of the following can be considered reducing sugars?

Correct AnswerverifiedShow Answer

An intermediate in the following glycoside hydrolysis is:

Correct AnswerverifiedShow Answer

A Newman projection formula for is:

Correct AnswerverifiedShow Answer

Hydrolysis of the disaccharide maltose produces:

Correct AnswerverifiedShow Answer

D-Glucose reacts with acetic anhydride to produce:

Correct AnswerverifiedShow Answer

The product of the reaction below is:

Correct AnswerverifiedShow Answer

Another name for the disaccharide, 4-O-( β\betaβ -D-galactopyranosyl) - β\betaβ -glucopyranose, is:

Correct AnswerverifiedShow Answer

Which of the following structures represent glycosides?

Correct AnswerverifiedShow Answer

Treatment of D-(+) -mannose with Fehling's reagent (Cu+2) gives:

Correct AnswerverifiedShow Answer

Which of the following reagents will oxidize an aldose to an aldaric acid?

Correct AnswerverifiedShow Answer

Oxidation of optically active D-erythrose with nitric acid produces optically inactive meso-tartaric acid (below) .What is the structure of D-erythrose?

Correct AnswerverifiedShow Answer

Which of the following can be classified as epimers?

Correct AnswerverifiedShow Answer

How many hydroxyl groups are present in the pyranose form of glucose?

Correct AnswerverifiedShow Answer

A 1,4- $\beta$ -linkage between two glucose units produces a disaccharide called:

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The acyclic structure of D-glucose is: $The acyclic structure of D-glucose is: The formula for ethyl \alpha -D-glucopyranoside is: A) B) C) D) E)$ The formula for ethyl $\alpha$ -D-glucopyranoside is:

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Another name for the disaccharide, 4-O-( $\beta$ -D-galactopyranosyl) - $\beta$ -glucopyranose, is:

Correct Answer
verified

Correct Answer
verified

Treatment of D-(+) -mannose with Fehling's reagent (Cu⁺²) gives:

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified