The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained. Concept introduction: IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample. Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital. Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

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Answer 1

Question

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

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Answer 2

Question

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

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Answer 3

Question

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

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Answer 4

Question

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

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Answer 5

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 6

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 7

Chapter 14, Problem 71IP

(a)

Interpretation Introduction

Interpretation:

The reason for the inconsistency of the IR spectrum with the originally proposed structure has to be explained.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The tautomer has to be drawn and the reason for it being more consistent with the observed IR spectrum has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The source for the fairly intense signal at 1621 cm-1 has to be given.

Concept introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing frequency in particular range with respect to the group present in the given sample.

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 14.3 - Prob. 1CC Ch. 14.3 - Prob. 2CC Ch. 14.3 - Prob. 3CC Ch. 14.3 - Prob. 4CC Ch. 14.4 - Prob. 5CC Ch. 14.4 - Prob. 6CC Ch. 14.4 - Prob. 7CC Ch. 14.5 - Prob. 8CC Ch. 14.5 - Prob. 9CC Ch. 14.5 - Prob. 10CC

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