(a) Interpretation: All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included. Concept introduction: Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Question

Draw a Lewis Structure for each of the following species and assign formal charge where appropriate. Using electronegative values from the period table that was provided identify polar covalent bonds and label the atoms δ+ and δ−. For each of the molecules indicate whether or not it has a dipole moment. (a)CH5N (b) HCN (c) H2CO (d) CH3NC(e) CH3SOCH3 (f) H6BN

Answer 1

Question

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

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Draw a Lewis Structure for each of the following species and assign formal charge where appropriate. Using electronegative values from the period table that was provided identify polar covalent bonds and label the atoms δ+ and δ−. For each of the molecules indicate whether or not it has a dipole moment. (a)CH5N (b) HCN (c) H2CO (d) CH3NC(e) CH3SOCH3 (f) H6BN

(a) Determine the formal charge of oxygen in the following structure. If the atom is formally neutral, indicate a charge of zero. (b) Draw an alternative Lewis (resonance) structure for the compound given in part (a). Show the unshared pairs and nonzero formal charges in your structure. Don't use radicals. Formal charge on O 0

CHEM 1P92 Assignment 12B (Liquids, Solids, and Intermolecular Forces). Version # 177 1. Draw Lewis structures for the following compounds. Remember to enclose ions in square brackets. On your answer sheet, state the number of valence electrons in each compound. (a) CH 3 I (b) CaCl 2 (c) Mg(NO3)2

Answer 2

Question

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

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Answer 3

Question

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

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Answer 4

Question

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

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Answer 5

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 6

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 7

Chapter 1, Problem 1.53P

Interpretation Introduction

(a)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 8

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 9

Interpretation Introduction

(b)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 10

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 11

Interpretation Introduction

(c)

Interpretation:

All resonance contributors for the given ion are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 12

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 13

Interpretation Introduction

(d)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 14

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 15

Interpretation Introduction

(e)

Interpretation:

All resonance contributors for the given molecule are to be drawn. The curved arrows that indicate which pairs of electrons are shifted in going from one resonance structure to the next are to be included.

Concept introduction:

Resonance exists in molecules or ions for which there are two or more valid Lewis structures. For such molecules or ions, each valid Lewis structure is called a resonance contributor. Resonance contributors differ only in the position of their valence electrons, not their atoms.

Answer 16

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Answer 27

Ch. 1 - Prob. 1.1P Ch. 1 - Prob. 1.2P Ch. 1 - Prob. 1.3P Ch. 1 - Prob. 1.4P Ch. 1 - Prob. 1.5P Ch. 1 - Prob. 1.6P Ch. 1 - Prob. 1.7P Ch. 1 - Prob. 1.8P Ch. 1 - Prob. 1.9P Ch. 1 - Prob. 1.10P

Solution Summary: The author explains that resonance exists in molecules or ions for which there are two or more valid Lewis structures.

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