The number of different aldoheptoses and the number of D-sugars are to be predicted. All D-aldoheptoses that have R -configuration at C2 and C3 are to be drawn. Concept introduction: A monosaccharide in which aldehyde carbonyl group is present at C1 is called aldose whereas a monosaccharide in which ketone carbonyl group is present at C2 is called ketose.

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 26.3, Problem 7P

Interpretation Introduction

Interpretation: The number of different aldoheptoses and the number of D-sugars are to be predicted. All D-aldoheptoses that have R-configuration at C2 and C3 are to be drawn.

Concept introduction: A monosaccharide in which aldehyde carbonyl group is present at C1 is called aldose whereas a monosaccharide in which ketone carbonyl group is present at C2 is called ketose.

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 26.3, Problem 7P

Interpretation Introduction

Interpretation: The number of different aldoheptoses and the number of D-sugars are to be predicted. All D-aldoheptoses that have R-configuration at C2 and C3 are to be drawn.

Concept introduction: A monosaccharide in which aldehyde carbonyl group is present at C1 is called aldose whereas a monosaccharide in which ketone carbonyl group is present at C2 is called ketose.

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Answer 3

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 26.3, Problem 7P

Interpretation Introduction

Interpretation: The number of different aldoheptoses and the number of D-sugars are to be predicted. All D-aldoheptoses that have R-configuration at C2 and C3 are to be drawn.

Concept introduction: A monosaccharide in which aldehyde carbonyl group is present at C1 is called aldose whereas a monosaccharide in which ketone carbonyl group is present at C2 is called ketose.

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Check out a sample textbook solution

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Answer 4

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 26.3, Problem 7P

Interpretation Introduction