(a) Interpretation: The shape of the NH 2 − by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn. Concept introduction: Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

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Answer 1

Question

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

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Questions 4 and 5

For a titration of 40.00 mL of 0.0500 M oxalic acid H2C2O4 with 0.1000 M KOH, calculate the pH at each of the following volume of KOH used in the titration: 1) before the titration begin;2) 15 mL; 3) 20 mL; 4) 25 mL; 5) 40 mL; 6) 50 mL. Ka1 = 5.90×10^-2, Ka2 = 6.50×10^-5 for oxalic acid.

Predict the major organic product(s), if any, of the following reactions. Assume all reagents are in excess unless otherwise indicated.

Answer 2

Question

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

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Answer 3

Question

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

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Answer 4

Question

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

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Answer 5

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 6

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 7

Chapter 4, Problem 4.55E

Interpretation Introduction

(a)

Interpretation:

The shape of the NH2− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The shape of the PO33− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The shape of the BeCl42− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The shape of the ClO4− by first drawing a Lewis structure, then applying the VSEPR theory is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of substance with valance electrons of atoms. According to VSEPR theory, electron pairs in the valence shell of the central atom repel one another and try to minimize this repulsion by increasing their separation distance. This is done by forming bond between central atom and other atoms.

Answer 14

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Answer 16

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Answer 17

Ch. 4 - Refer to the group numbers of the periodic table...Ch. 4 - Prob. 4.2E Ch. 4 - Write abbreviated electronic configurations for...Ch. 4 - Write abbreviated electronic configurations for...Ch. 4 - Draw Lewis structure for the elements given in...Ch. 4 - Draw Lewis structures for the elements given in...Ch. 4 - Prob. 4.7E Ch. 4 - Prob. 4.8E Ch. 4 - Prob. 4.9E Ch. 4 - Prob. 4.10E

Solution Summary: The author explains the shape of the NH_ 2- molecule by first drawing a Lewis structure, then applying the VSEPR theory is bent.

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