The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained. Concept introduction: Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60 ∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned. Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180 0 dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable. Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0 ∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

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Answer 1

Question

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

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Answer 2

Question

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

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Answer 3

Question

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

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Answer 4

Question

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

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Answer 5

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

Answer 6

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

Answer 7

Chapter 11, Problem 53P

Interpretation Introduction

Interpretation:

The reason for more stability of gauche conformation of ethylene glycol as compared to butane is to be explained.

Concept introduction:

Staggered conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 60∘ dihedral angle between two largest groups. In other words, their bonds to the axis of rotation are not aligned.

Anti-co-planer conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 180⁰ dihedral angle between two largest groups. It is also called anti-staggered or anti-conformation. It has low potential energy because of less torsional strain, and hence, more stable.

Eclipsed conformation: It is the arrangement of atoms or groups of atoms in a molecule, resulting in a 0∘ dihedral angle between two largest groups. It is also called syn-planar transition. It has high potential energy because of high torsional strain and hence, less stable.

Answer 8

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Answer 10

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Answer 11

Ch. 11 - Prob. 1PP Ch. 11 - Practice Problem 11.2 Give bond-line formulas and...Ch. 11 - Prob. 3PP Ch. 11 - Prob. 4PP Ch. 11 - Prob. 5PP Ch. 11 - Prob. 6PP Ch. 11 - Prob. 7PP Ch. 11 - PRACTICE PROBLEM 11.8 Show how you would prepare...Ch. 11 - PRACTICE PROBLEM 11.9 Write structures for...Ch. 11 - Prob. 10PP

Solution Summary: The author explains that gauche conformation of ethylene glycol is more stable because of the existence of hydrogen bonding in the molecule.

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