How the 13 C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers. Interpretation: How the 13 C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated. Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

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Answer 1

Question

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

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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

fcrip = ↓ bandwidth Il temp 32. What impact (increase, decrease, or no change) does each of the following conditions have on the individual components of the van Deemter equation and consequently, band broadening? Increase temperature Longer column Using a gas mobile phase instead of liquid Smaller particle stationary phase Multiple Paths Diffusion Mass Transfer

34. Figure 3 shows Van Deemter plots for a solute molecule using different column inner diameters (i.d.). A) Predict whether decreasing the column inner diameters increase or decrease bandwidth. B) Predict which van Deemter equation coefficient (A, B, or C) has the greatest effect on increasing or decreasing bandwidth as a function of i.d. and justify your answer. Figure 3 Van Deemter plots for hydroquinone using different column inner diameters (i.d. in μm). The data was obtained from liquid chromatography experiments using fused-silica capillary columns packed with 1.0-μm particles. 35 20 H(um) 큰 20 15 90 0+ 1500 100 75 550 01 02 594 05 μ(cm/sec) 30 15 10

Answer 2

Question

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

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Answer 3

Question

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

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Answer 4

Question

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

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Answer 5

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 6

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 7

Chapter 13, Problem 13.51SP

(a)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be stated.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 8

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 9

(b)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 10

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 11

(c)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 12

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 13

(d)

Interpretation Introduction

To determine: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

Interpretation: How the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers is to be determined.

Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compound. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 13.5A - In a 300-MHz spectrometer, the protons in...Ch. 13.5B - Prob. 13.2P Ch. 13.6 - Determine the number of different kinds of protons...Ch. 13.6 - Prob. 13.4P Ch. 13.7 - Draw the integral trace expected for the NMR...Ch. 13.7 - Prob. 13.6P Ch. 13.8C - Draw the NMR spectra you would expect for the...Ch. 13.8D - Draw the NMR spectra you expect for the following...Ch. 13.8D - a. Assign protons to the peaks in the NMR spectrum...Ch. 13.8D - Prob. 13.10P

Solution Summary: The author explains how the 13C NMR spectrum, including the DEPT technique, would allow distinguishing among the given isomers.

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Chapter 13 Solutions