(a) Interpretation: Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated. Concept introduction: Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

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Answer 1

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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 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

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LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

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Answer 2

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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 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

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Answer 3

Question

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 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

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Answer 4

Question

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 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

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Answer 5

Chapter 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Answer 6

Chapter 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Answer 7

Chapter 24, Problem 24.4P

Interpretation Introduction

(a)

Interpretation:

Whether the configuration of the aldose, 6-deoxyglucose is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether the configuration of glucose enantiomer with R configuration at carbon -3 is D or L is to be stated.

Concept introduction:

Aldoses are the carbohydrates in which an aldehyde group is present. The aldehyde carbon is numbered one in Fischer projection. A carbohydrate consists of six carbon atoms chain and an aldehyde group is known as aldohexose. Stereoisomers are the isomers which have same molecular formula but differ in the orientation of atoms or molecules in space. A stereoisomer which rotates the plane of polarized light towards right is a dextrorotatory compound and is represented by D or + signs. A stereoisomer which rotates the plane of polarized light towards left is a levorotatory compound and is represented by L or − signs.

Answer 10

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Answer 12

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Answer 13

Ch. 24 - Prob. 24.1P Ch. 24 - Prob. 24.2P Ch. 24 - Prob. 24.3P Ch. 24 - Prob. 24.4P Ch. 24 - Prob. 24.5P Ch. 24 - Prob. 24.6P Ch. 24 - Prob. 24.7P Ch. 24 - Prob. 24.8P Ch. 24 - Prob. 24.9P Ch. 24 - Prob. 24.10P

Solution Summary: The author explains the structure of the aldose, 6-deoxyglucose, and the stereoisomers of glyceraldehydes.

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Chapter 24 Solutions