Custom eBook for Organic Chemistry
Custom eBook for Organic Chemistry
2nd Edition
ISBN: 9798214171104
Author: Straumanis
Publisher: Cengage Custom
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Chapter 3, Problem 15CTQ

(a)

Interpretation Introduction

Interpretation: Dotted lines to show π bond can form between the two white p orbitals should be added.

  Custom eBook for Organic Chemistry, Chapter 3, Problem 15CTQ , additional homework tip  1

Concept introduction: Bonds formed due to head-to-head overlap are termed sigma bond while ones formed by sideways or lateral overlap are named pi-bonds.

A single bond has one σ bond; double bond has one σ bond along with one π bond while triple bond has two π bonds in addition to one σ bond. For instance, pi bond formation that involves lateral overlap of dumble bell lobes of p orbital as in case of a triple bond are illustrated as follows:

  Custom eBook for Organic Chemistry, Chapter 3, Problem 15CTQ , additional homework tip  2

(b)

Interpretation Introduction

Interpretation: Dotted lines to show σ bond that can form between the two white p orbitals should be labeled.

  Custom eBook for Organic Chemistry, Chapter 3, Problem 15CTQ , additional homework tip  3

Concept introduction: Bonds formed due to head-to-head overlap are termed sigma bond while ones formed by sideways or lateral overlap are named pi-bonds.

A single bond has one σ bond; double bond has one σ bond along with one π bond while triple bond has two π bonds in addition to one σ bond. There are two possible overlaps by s orbital that results in head to head overlap and sigma bond formation. These are illustrated as follows:

  Custom eBook for Organic Chemistry, Chapter 3, Problem 15CTQ , additional homework tip  4

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