The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base. Concept introduction: Acidity of alpha protons of β -dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

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Answer 1

Question

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

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(a 4 shows scanning electron microscope (SEM) images of extruded actions of packing bed for two capillary columns of different diameters, al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the same stationary phase, spherical particles with 1-um diameter. A) When the columns were prepared, the figure shows that the column with the larger diameter has more packing irregularities. Explain this observation. B) Predict what affect this should have on band broadening and discuss your prediction using the van Deemter terms. C) Does this figure support your explanations in application question 33? Explain why or why not and make any changes in your answers in light of this figure. Figure 4 SEM images of sections of packed columns for a) 750 and b) 30-um-i.d. capillary columns.³

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Answer 2

Question

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

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Answer 3

Question

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

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Answer 4

Question

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

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Answer 5

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 6

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 7

Chapter 22.15, Problem 22.46P

(a)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The resonance forms are to be drawn for the enolate ions formed during the treatment of given compound with a strong base.

Concept introduction:

Acidity of alpha protons of β-dicarbonyl compounds is higher than the hydroxy protons of water and alcohols. This is due to the presence of two carbonyl groups beta to each other. Its enolate ion is also more stable.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 22.2A - Prob. 22.2P Ch. 22.4 - Without looking back, propose a mechanism for the...Ch. 22.4 - Prob. 22.8P Ch. 22.4 - Prob. 22.9P Ch. 22.5A - Prob. 22.10P Ch. 22.5A - Prob. 22.11P Ch. 22.5B - Prob. 22.12P Ch. 22.5B - Predict the products of the following reactions....Ch. 22.5B - Which compounds will give positive iodoform tests?...Ch. 22.5C - Propose a mechanism for the acid-catalyzed...

Solution Summary: The author explains that the resonance forms are drawn for the enolate ions formed during the treatment of given compound with a strong base.

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