Question 1

Predict the product(s) when $\alpha$-D-glucose is treated with methanamine in the presence of acid.

Accepted Answer

The answer of Predict the product(s) when $\alpha$-D-glucose is treated...

Question 2

When D-glucose is treated with aqueous NaOH it undergoes_______.

Accepted Answer

A)   mutarotation
B)   oxidation
C)   glycoside formation
D)   epimerization
E)   none of these

Question 3

Provide the reagents necessary to carry out the following conversion. 2/H2O B)  NaOH/H2O C)  HNO3 D)  Ag+/NH3/H2O E)  A & D" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   Br2/H2O
B)   NaOH/H2O
C)   HNO3
D)   Ag+/NH3/H2O
E)   A & D

Question 4

Which of the following best describes L-galactose?

Accepted Answer

A)   aldopentose
B)   aldohexose
C)   ketopentose
D)   ketohexose
E)   aldotetrose

Question 5

Which of the following compounds is(are)  an epimer(s)  of D-glucose?

Accepted Answer

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

Question 6

Predict the product(s) when maltose is treated with CH3OH/HCl.

Accepted Answer

Question 7

What is the correct Haworth projection for  β\betaβ -D-allopyranose?

Accepted Answer

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

Question 8

Predict the product(s)  for the following Kiliani-Fischer synthesis.

Accepted Answer

A)   D-ribose & D-arabinose
B)   D-glucose & D-galactose
C)   D-altrose & D-mannose
D)   D-galactose & D-talose
E)   D-gulose & D-iodose

Question 9

Provide the structure for uridine.

Accepted Answer

The answer of Provide the structure for uridine....

Question 10

Plants convert carbon dioxide and water into glucose in presence of sunlight via ________.

Accepted Answer

A)   hydrolysis
B)   retrosynthesis
C)   Killiani synthesis
D)   photosynthesis
E)   none of these

Question 11

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

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

Question 12

Provide the structure for cytidine.

Accepted Answer

The answer of Provide the structure for cytidine....

Question 13

Which of the following disaccharides is(are)   α\alphaα -glucoside(s) ?

Accepted Answer

A)   sucrose
B)   maltose
C)   lactose
D)   cellobiose
E)   both A & B

Question 14

Which of the following is a ketohexose?

Accepted Answer

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

Question 15

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

Question 16

Which one of the following is a correct structure for maltose?

Accepted Answer

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

Question 17

A monosaccharide with five carbon atoms and a ketone functional group is called a _____.

Accepted Answer

A)   aldose
B)   ketohexose
C)   aldopentose
D)   ketopentose
E)   pentose

Question 18

How many stereoisomers are possible for glucose?

Accepted Answer

A)   8
B)   16
C)   10
D)   12
E)   4

Question 19

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

Accepted Answer

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

Question 20

Degradation of synthetic glucose produces _________that is ________.

Accepted Answer

A)   glyceraldehyde, dextrorotatory
B)   glyceraldehyde, levorotatory
C)   glyceraldehyde, both dextro and levorotatory
D)   none of these

Exam 24: Carbohydrates

Plants convert carbon dioxide and water into glucose in presence of sunlight via ________.

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Predict the product(s) for the following Kiliani-Fischer synthesis.

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Provide the reagents necessary to carry out the following conversion.

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Degradation of synthetic glucose produces _________that is ________.

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Which of the following disaccharides is(are) α\alphaα -glucoside(s) ?

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Which of the following best describes L-galactose?

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Which of the following is a ketohexose?

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Provide the structure for uridine.

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How many stereoisomers are possible for glucose?

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A monosaccharide with five carbon atoms and a ketone functional group is called a _____.

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Provide the structure for cytidine.

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Predict the product(s) when α\alphaα -D-glucose is treated with methanamine in the presence of acid.

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What is the correct Haworth projection for β\betaβ -D-allopyranose?

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When D-glucose is treated with aqueous NaOH it undergoes_______.

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Predict the product(s) when maltose is treated with CH3OH/HCl.

Correct AnswerverifiedShow Answer

Which of the following compounds is(are) an epimer(s) of D-glucose?

Correct AnswerverifiedShow Answer

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

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

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Which one of the following is a correct structure for maltose?

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Provide the reagents necessary to carry out the following conversion.

Correct AnswerverifiedShow Answer

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Degradation of synthetic glucose produces _that is .

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Which of the following disaccharides is(are) $\alpha$ -glucoside(s) ?

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Predict the product(s) when $\alpha$ -D-glucose is treated with methanamine in the presence of acid.

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What is the correct Haworth projection for $\beta$ -D-allopyranose? $What is the correct Haworth projection for \beta -D-allopyranose? A) I B) II C) III D) IV E) V$

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Predict the product(s) when maltose is treated with CH₃OH/HCl.

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