(a) Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted. Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

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Answer 1

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Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

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Methotrexate, a drug that inhibits the metabolism of folic acid, is used in the treatment of a variety of cancers and autoimmune disorders such as rheumatoid arthritis. (a) GIve the hybridization of each N atom in methotrexate. (b) In what type of orbital does the lone pair of each N reside? (c) Explain why the bicyclic ring system that contains four N atoms is aromatic.

Under certain reaction conditions, 2,3-dibromobutane reacts with twoequivalents of base to give three products, each of which contains twonew π bonds. Product A has two sp hybridized carbon atoms, product Bhas one sp hybridized carbon atom, and product C has none. What arethe structures of A, B, and C?

Answer 2

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

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Answer 3

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

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Answer 4

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

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Answer 5

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

Answer 6

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Answer 7

Chapter 17, Problem 17.20P

Interpretation Introduction

(a)

Interpretation: The hybridization of carbon atoms of triple bonds is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Answer 8

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Answer 9

Interpretation Introduction

(b)

Interpretation: The type of orbital in which the pi electrons of the triple bond resides is to be predicted.

Concept introduction: Hybridization is the combination of two or more atomic orbitals to form the same number of hybrid orbitals, each having the same shape and energy. Number of groups around the atom is equal to number of the number of orbitals hybridized to give hybrid atomic orbitals.

Answer 10

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

Answer 11

Interpretation Introduction

(c)

Interpretation: The number of pi electrons that are delocalized in compound A is to be determined.

Concept introduction: A molecule must be cyclic, planar, completely conjugated and should follow Huckel’s rule to be classified as aromatic. According to the Huckel’s rule the number of π electrons in the molecule must be equal to (4n+2).

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 17 - Prob. 17.1P Ch. 17 - What orbitals are used to form the bonds indicated...Ch. 17 - Give the IUPAC name for each compound.Ch. 17 - Prob. 17.4P Ch. 17 - Problem-17.5 What is the structure of propofol,...Ch. 17 - Problem 17.6 What is the structure of a compound...Ch. 17 - How many 13C NMR signals does each compound...Ch. 17 - Prob. 17.8P Ch. 17 - Prob. 17.9P Ch. 17 - Prob. 17.10P

Solution Summary: The author explains that the hybridization of carbon atoms of triple bonds is sp.

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