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What is the product of the following oxidation of D-altrose? What is the product of the following oxidation of D-altrose? A) B) C) D) E)


A) What is the product of the following oxidation of D-altrose? A) B) C) D) E)
B) What is the product of the following oxidation of D-altrose? A) B) C) D) E)
C) What is the product of the following oxidation of D-altrose? A) B) C) D) E)
D) What is the product of the following oxidation of D-altrose? A) B) C) D) E)
E) What is the product of the following oxidation of D-altrose? A) B) C) D) E)

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Which of the Fischer projections corresponds to the following structure? Which of the Fischer projections corresponds to the following structure? A) B) C) D) E)


A) Which of the Fischer projections corresponds to the following structure? A) B) C) D) E)
B) Which of the Fischer projections corresponds to the following structure? A) B) C) D) E)
C) Which of the Fischer projections corresponds to the following structure? A) B) C) D) E)
D) Which of the Fischer projections corresponds to the following structure? A) B) C) D) E)
E) Which of the Fischer projections corresponds to the following structure? A) B) C) D) E)

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Predict the product of the following reaction conditions. Predict the product of the following reaction conditions.

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Which of these structures is Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E) -L-arabinose? The Fischer projection of L -arabinose is shown. Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E)


A) Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E)
B) Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E)
C) Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E)
D) Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E)
E) Which of these structures is -L-arabinose? The Fischer projection of L -arabinose is shown. A) B) C) D) E)

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An aldopentose is oxidized with sodium nitrite and nitric acid to produce an optically active aldaric acid.The same aldopentose is treated with Ruff degradation conditions and the product is Reduced with sodium borohydride to give an optically inactive alditol.Which of the following Structures is the aldopentose?


A) An aldopentose is oxidized with sodium nitrite and nitric acid to produce an optically active aldaric acid.The same aldopentose is treated with Ruff degradation conditions and the product is Reduced with sodium borohydride to give an optically inactive alditol.Which of the following Structures is the aldopentose? A) B) C) D) E)
B) An aldopentose is oxidized with sodium nitrite and nitric acid to produce an optically active aldaric acid.The same aldopentose is treated with Ruff degradation conditions and the product is Reduced with sodium borohydride to give an optically inactive alditol.Which of the following Structures is the aldopentose? A) B) C) D) E)
C) An aldopentose is oxidized with sodium nitrite and nitric acid to produce an optically active aldaric acid.The same aldopentose is treated with Ruff degradation conditions and the product is Reduced with sodium borohydride to give an optically inactive alditol.Which of the following Structures is the aldopentose? A) B) C) D) E)
D) An aldopentose is oxidized with sodium nitrite and nitric acid to produce an optically active aldaric acid.The same aldopentose is treated with Ruff degradation conditions and the product is Reduced with sodium borohydride to give an optically inactive alditol.Which of the following Structures is the aldopentose? A) B) C) D) E)
E) An aldopentose is oxidized with sodium nitrite and nitric acid to produce an optically active aldaric acid.The same aldopentose is treated with Ruff degradation conditions and the product is Reduced with sodium borohydride to give an optically inactive alditol.Which of the following Structures is the aldopentose? A) B) C) D) E)

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Draw the structure of the sugar that underwent the indicated conditions to produce these two products. Draw the structure of the sugar that underwent the indicated conditions to produce these two products.

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Xylobiose is a disaccharide consisting of two D-xylopyranose units in a Xylobiose is a disaccharide consisting of two D-xylopyranose units in a linkage between C-1 of one unit and C-4 of the other. Draw xylobiose using Haworth projections. The structure of D-xylose is provided. linkage between C-1 of one unit and C-4 of the other. Draw xylobiose using Haworth projections. The structure of D-xylose is provided. Xylobiose is a disaccharide consisting of two D-xylopyranose units in a linkage between C-1 of one unit and C-4 of the other. Draw xylobiose using Haworth projections. The structure of D-xylose is provided.

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Two L-aldohexoses, A and B, are subjected to oxidation with sodium nitrite and nitric acid.A gives an optically active aldaric acid, while B gives an optically inactive aldaric acid.When A and B are reduced with sodium borohydride, A produces an optically active alditol, and B produces an optically inactive alditol.Ruff degradation of either A or B gives the same compound.What are the structures of A and B?

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Which of the following structures are furanose forms? Which of the following structures are furanose forms? A) I and IV B) II and III C) I and II D) III and IV E) none of these structures


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

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D-glucaric acid can also be named L-gularic acid.Complete the sentence. D-glucitol and L-gulitol are ____________


A) identical compounds.
B) enantiomers.
C) epimers.
D) diastereomers, but not epimers.
E) compounds whose relationship cannot be deduced from the facts provided above.

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Which of the structures shown here are Which of the structures shown here are -anomers of D-sugars? A) I B) II C) III and IV D) I, III, and IV E) all -anomers of D-sugars? Which of the structures shown here are -anomers of D-sugars? A) I B) II C) III and IV D) I, III, and IV E) all


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

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A sugar was subjected to the reaction conditions shown. Draw the structure of the products of these conditions. A sugar was subjected to the reaction conditions shown. Draw the structure of the products of these conditions.

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Predict the product of the following transformation. Predict the product of the following transformation.

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Which of the following sugars is a ketopentose?


A) Which of the following sugars is a ketopentose? A) B) C) D) E)
B) Which of the following sugars is a ketopentose? A) B) C) D) E)
C) Which of the following sugars is a ketopentose? A) B) C) D) E)
D) Which of the following sugars is a ketopentose? A) B) C) D) E)
E) Which of the following sugars is a ketopentose? A) B) C) D) E)

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Predict the product of the following reaction conditions. Predict the product of the following reaction conditions. A) B) C) D) E)


A) Predict the product of the following reaction conditions. A) B) C) D) E)
B) Predict the product of the following reaction conditions. A) B) C) D) E)
C) Predict the product of the following reaction conditions. A) B) C) D) E)
D) Predict the product of the following reaction conditions. A) B) C) D) E)
E) Predict the product of the following reaction conditions. A) B) C) D) E)

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Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) A) -D-gulofuranose B) -D-gulopyranose C) -D-gulofuranose D) -L-gulofuranose E) -D-gulopyranose


A) Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) A) -D-gulofuranose B) -D-gulopyranose C) -D-gulofuranose D) -L-gulofuranose E) -D-gulopyranose -D-gulofuranose
B) Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) A) -D-gulofuranose B) -D-gulopyranose C) -D-gulofuranose D) -L-gulofuranose E) -D-gulopyranose -D-gulopyranose
C) Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) A) -D-gulofuranose B) -D-gulopyranose C) -D-gulofuranose D) -L-gulofuranose E) -D-gulopyranose -D-gulofuranose
D) Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) A) -D-gulofuranose B) -D-gulopyranose C) -D-gulofuranose D) -L-gulofuranose E) -D-gulopyranose -L-gulofuranose
E) Which of the following is the correct name for this structure? (The Fischer projections of D-gulose and L-gulose are shown.) A) -D-gulofuranose B) -D-gulopyranose C) -D-gulofuranose D) -L-gulofuranose E) -D-gulopyranose -D-gulopyranose

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Even though glucose is an aldose, its 1H NMR spectrum shows virtually no signal for the aldehyde proton. Explain this fact.

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The aldehyde proton peak is not observed...

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What is the product of the following reaction? What is the product of the following reaction? A) B) C) D) E)


A) What is the product of the following reaction? A) B) C) D) E)
B) What is the product of the following reaction? A) B) C) D) E)
C) What is the product of the following reaction? A) B) C) D) E)
D) What is the product of the following reaction? A) B) C) D) E)
E) What is the product of the following reaction? A) B) C) D) E)

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Which of the following sugars is an aldotetrose?


A) Which of the following sugars is an aldotetrose? A) B) C) D) E)
B) Which of the following sugars is an aldotetrose? A) B) C) D) E)
C) Which of the following sugars is an aldotetrose? A) B) C) D) E)
D) Which of the following sugars is an aldotetrose? A) B) C) D) E)
E) Which of the following sugars is an aldotetrose? A) B) C) D) E)

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Draw the structure of alpha-D-ribofuranose.The Fischer projection for D-ribose is shown. Draw the structure of alpha-D-ribofuranose.The Fischer projection for D-ribose is shown.

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