(a) Interpretation: The compound given should be labeled as an aldonic acid or an alditol. Concept Introduction: Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

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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 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

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Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below. Find the following: (a) The no. of protons corresponding to each signal in the spectra (6) Give the structure of the compound and assign the signals to each proton in the compound. a 70.2 Integration Values C5H10O2 b 47.7 C 46.5 d 69.5 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 Chemical Shift (ppm) 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8

Part 111. 1 H-NMR spectrum of a compound with integration values in red is given below. Answer the following: (a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure of the molecule below. (b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible. complex splitting patterns assuming J values are not similar. там Br 22 2 3 6 4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0 Chemical Shift (ppm) ra. Br 2 3 6 6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 Chemical Shift (ppm) 2 2 Br 7.3 7.2 7.1 7.0 6.9 6.7 6.6 6.5 6.4 6.3 6.2 6.1 6.0 Chemical Shift (ppm) 5.9 5.8 5.7 5.5 5.4 5.3 5.2 5.0 4.9

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Answer 2

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 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

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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 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

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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 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

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Answer 5

Chapter 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Answer 6

Chapter 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Answer 7

Chapter 20.4, Problem 20.9P

Interpretation Introduction

(a)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The compound given should be labeled as an aldonic acid or an alditol.

Concept Introduction:

Aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst. Here, carbonyl group of the aldose is converted into a primary alcohol. As well as aldehyde group of an aldose can be oxidized to form a carboxyl group producing an aldonic acid.

Answer 10

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Answer 12

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Answer 13

Ch. 20.1 - Label the hemiacetal carbonthe carbon bonded to...Ch. 20.2 - Prob. 20.1PP Ch. 20.2 - Prob. 20.2P Ch. 20.2 - Prob. 20.3P Ch. 20.2 - Prob. 20.4P Ch. 20.2 - Prob. 20.5P Ch. 20.2 - Prob. 20.2PP Ch. 20.2 - Prob. 20.6P Ch. 20.2 - Prob. 20.7P Ch. 20.3 - Prob. 20.8P

Solution Summary: The author explains that aldoses can be reduced into alditol using hydrogen gas in the presence of Pd catalyst.

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Chapter 20 Solutions