Question 1

Hydrolysis of the disaccharide maltose produces:

Accepted Answer

A)   sucrose
B)   glucose
C)   mannose
D)   glucose and fructose
E)   glucose and galactoseF) C) and D)
G) A) and D)

Question 2

Which of the following can be considered a polysaccharide?

Accepted Answer

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

Question 3

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

Question 4

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) B) and E)
G) A) and B)

Question 5

An intermediate in the following glycoside hydrolysis is:

Accepted Answer

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

Question 6

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 D)
G) A) and C)

Question 7

The following monosaccharide has ________ equatorial hydroxyl groups.  _

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) None of the above
G) D) and E)

Question 8

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) C) and D)
G) A) and B)

Question 9

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) B) and C)
G) C) and D)

Question 10

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) B) and C)
G) A) and B)

Question 11

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 C)
G) A) and E)

Question 12

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

Accepted Answer

A)   
B)   
C)   
D)   
E)    F) All of the above
G) A) and E)

Question 13

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) None of the above
G) A) and D)

Question 14

D-Glucose reacts with acetic anhydride to produce:

Accepted Answer

A)   ethers
B)   esters
C)   carboxylic acids
D)   alcohols
E)   aldehydesF) C) and D)
G) A) and B)

Question 15

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 E)
G) None of the above

Question 16

A Newman projection formula for  is:

Accepted Answer

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

Question 17

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 C)
G) B) and D)

Question 18

The product of the reaction below is:

Accepted Answer

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

Question 19

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 D)
G) C) and D)

Question 20

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) B) and E)
G) B) and C)

Exam 16: Carbohydrates

Which of the following structures represent glycosides?

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

Correct Answer
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The following monosaccharide has ________ equatorial hydroxyl groups. _

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

Correct Answer
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Hydrolysis of the disaccharide maltose produces:

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

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

Correct Answer
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The product of the reaction below is:

Correct Answer
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Correct Answer
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Which of the following can be considered a polysaccharide?

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

Correct Answer
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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
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A glycoside is formed upon reaction of glucopyranose with:

Correct Answer
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Which of the following can be considered reducing sugars?

Correct Answer
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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
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D-Glucose reacts with acetic anhydride to produce:

Correct Answer
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Which of the following can be classified as epimers?

Correct Answer
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An intermediate in the following glycoside hydrolysis is:

Correct Answer
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A Newman projection formula for is:

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

Correct Answer
verified

Exam 16: Carbohydrates

Which of the following structures represent glycosides?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The following monosaccharide has ________ equatorial hydroxyl groups. _

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Hydrolysis of the disaccharide maltose produces:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The product of the reaction below is:

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

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

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

A glycoside is formed upon reaction of glucopyranose with:

Correct AnswerverifiedShow Answer

Which of the following can be considered reducing sugars?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

D-Glucose reacts with acetic anhydride to produce:

Correct AnswerverifiedShow Answer

Which of the following can be classified as epimers?

Correct AnswerverifiedShow Answer

An intermediate in the following glycoside hydrolysis is:

Correct AnswerverifiedShow Answer

A Newman projection formula for is:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct Answer
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