Which spectrum, 5 or 6 , is more likely for a compound that contains a C=C double bond, is to be explained. Concept introduction: IR spectroscopy enables us to identify different functional groups in the molecule. One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620 – 1680 cm − 1 . Alkene sp 2 C − H appears between 3000 − 3100 cm − 1 .

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Answer 1

Question

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

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Answer 2

Question

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

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Answer 3

Question

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

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Answer 4

Question

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

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Answer 5

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

Answer 6

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

Answer 7

Chapter 15, Problem 15.25P

Interpretation Introduction

Interpretation:

Which spectrum, 5 or 6, is more likely for a compound that contains a C=C double bond, is to be explained.

Concept introduction:

IR spectroscopy enables us to identify different functional groups in the molecule.

One of the greatest advantages of IR spectroscopy is that the frequency of a particular type of vibration is typically found within a characteristic range of frequencies, regardless of the functional group with which the vibration is associated. The fact that absorptions by certain vibrations appear with characteristic frequency ranges enables us to use IR spectroscopy to obtain structural information about a molecule. The absorption band for alkene C=C bond appears as a single peak in the range of 1620–1680 cm−1. Alkene sp2C−H appears between 3000−3100 cm−1.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 15 - Prob. 15.1P Ch. 15 - Prob. 15.2P Ch. 15 - Prob. 15.3P Ch. 15 - Prob. 15.4P Ch. 15 - Prob. 15.5P Ch. 15 - Prob. 15.6P Ch. 15 - Prob. 15.7P Ch. 15 - Prob. 15.8P Ch. 15 - Prob. 15.9P Ch. 15 - Prob. 15.10P

Solution Summary: The author explains that IR spectroscopy enables us to identify different functional groups in the molecule.

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Chapter 15 Solutions