The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined. Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compounds. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.

Question

Use the three spectra below to derive the structural formula for the compound of molecular formula C8H10

Answer 1

Question

Chapter 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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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Use the three spectra below to derive the structural formula for the compound of molecular formula C8H10

Counterfeit drugs are a common problem in developing regions of the world. Oftentimes, counterfeit pills are made with compounds such as lactose. A lab technician has obtained the IR spectrum shown above for a sample reported to be citalopram, an antidepressant drug. Does the IR spectrum belong to citalopram or lactose? Explain your answer by describing what feature of the IR spectrum confirms your choice and describe what feature is missing from the IR spectrum for the other compound. A. citalopram B. lactose

(How do the signals for methyl fluoride look like in the proton and the carbon NMR Spectrum?) Predict the number of lines observed in the proton spectrum. Predict the number of lines observed in the carbon spectrum. Justify your answer for the proton spectrum. Justify your answer for the carbon spectrum.

Answer 2

Question

Chapter 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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 13.7, Problem 13.6P

(a)

Interpretation Introduction

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum are to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

NMR spectroscopy is a technique used to determine a unique structure of the compounds. 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

Interpretation:

The ratios of the peak areas in the given spectra and the use of the ratio of the peak area together with the chemical shifts to pair up the compound with their spectra and the appropriate peaks for each protons in the given spectrum is to be determined.

Concept introduction:

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

Answer 12

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Answer 23

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 describes the NMR spectroscopy technique used to determine the carbon-hydrogen bonding of an organic compound.

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Chapter 13 Solutions