(a) Interpretation: The chair form of trans -and cis -decalin for the cyclohexane rings are to be drawn. Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds. The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position. The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

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Answer 1

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Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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B 1 of 2 Additional problems in preparation to Midterm #1: 1.) How can the following compounds be prepared using Diels-Alder reaction: CH3 O CN (a) (b) CN CH3 2.) What is the missing reagent in the shown reaction? H3C + ? H3C H3C CN H3C ''CN (၁) H 3.) Write the products 1,2-addition and 1,4-addition of DBr to 1,3-cyclohexadiene. Remember, D is deuterium, a heavy isotope of hydrogen. It reacts exactly like hydrogen. 4.) In the shown reaction, which will be the kinetic product and which will be the thermodynamic product? H3C CI H3C HCI H3C + 5.) Which of the following molecules is aromatic? (a) (b) (c) H 6.) Which of the following molecules is aromatic? (a) (b) (c) 7.) Write the mechanism for the shown reaction. + Ха AICI 3 CI 8.) Suggest reagents that would convert benzene into the shown compounds. CI NO2 -8-6-6-8-a (a) (b) (c) (d) (e) (a) SO3H Br

The number of 2sp^2 hybridized atoms in is: A. 8; B. 6; C.4; D.2; E.0;

Answer 2

Question

Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Answer 3

Question

Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Answer 4

Question

Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Answer 5

Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

Answer 6

Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Answer 7

Chapter 4, Problem 74P

Interpretation Introduction

(a)

Interpretation: The chair form of trans-and cis-decalin for the cyclohexane rings are to be drawn.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Answer 8

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

Answer 9

Interpretation Introduction

(b)

Interpretation: An explanation corresponding to the fact that the trans isomer is more stable is to be stated.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

Answer 10

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Answer 13

Ch. 4.1 - Prob. 1P Ch. 4.1 - Problem 4.2 Which of the following is not another...Ch. 4.1 - Problem 4.3 Draw the five constitutional isomers...Ch. 4.1 - Prob. 4P Ch. 4.1 - Prob. 5P Ch. 4.2 - Draw the five constitutional isomers that have...Ch. 4.4 - Problem 4.7 Give the IUPAC name for each...Ch. 4.4 - Give the IUPAC name for each compound. a....Ch. 4.4 - Problem 4.9 Give the structure corresponding to...Ch. 4.4 - Prob. 10P

Solution Summary: The author explains the different spatial arrangements of atoms that result from the rotation about single bonds are called conformational isomers.

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