Among the given substances largely ionic substances has to be predicted. Concept introduction: Ionic compound: A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges). Ionic character increases as increasing difference in electronegativity.

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Answer 1

Question

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

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Instructions: Complete the questions in the space provided. Show all your work 1. You are trying to determine the rate law expression for a reaction that you are completing at 25°C. You measure the initial reaction rate and the starting concentrations of the reactions for 4 trials. BrO³¯ (aq) + 5Br¯ (aq) + 6H* (aq) → 3Br₂ (l) + 3H2O (l) Initial rate Trial [BrO3] [H*] [Br] (mol/L) (mol/L) | (mol/L) (mol/L.s) 1 0.10 0.10 0.10 8.0 2 0.20 0.10 0.10 16 3 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 a. Based on the above data what is the rate law expression? b. Solve for the value of k (make sure to include proper units) 2. The proposed reaction mechanism is as follows: i. ii. BrО¸¯ (aq) + H+ (aq) → HBrO3 (aq) HBrO³ (aq) + H* (aq) → H₂BrO3* (aq) iii. H₂BrO³* (aq) + Br¯ (aq) → Br₂O₂ (aq) + H2O (l) [Fast] [Medium] [Slow] iv. Br₂O₂ (aq) + 4H*(aq) + 4Br‍(aq) → 3Br₂ (l) + H2O (l) [Fast] Evaluate the validity of this proposed reaction. Justify your answer.

е. Д CH3 D*, D20

C. NaOMe, Br Br

Answer 2

Question

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

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Answer 3

Question

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

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Answer 4

Question

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

Expert Solution & Answer

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Answer 5

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

Answer 6

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

Answer 7

Chapter 4, Problem 4.41SP

(a)

Interpretation Introduction

Interpretation:

Among the given substances largely ionic substances has to be predicted.

Concept introduction:

Ionic compound:

A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).

Ionic character increases as increasing difference in electronegativity.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

Answer 9

(b)

Interpretation Introduction

Interpretation:

Among the given substances non polar covalent substances has to be predicted.

Concept introduction:

Non polar covalent:

The chemical bond in which two atoms of the molecule share a pair of electrons with each other called polar covalent bond.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

Answer 10

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

Answer 11

(c)

Interpretation Introduction

Interpretation:

Among the given substances polar covalent substances has to be predicted.

Concept introduction:

Polarity is initiated by electronegativity difference between two bonded atoms.

Electronegativity:

Electronegativity is described as capable of atom to attract the shared electron towards itself. If the atom has more electronegativity means sharing of electron will be unequal. If the difference in electronegativity is large means an electrons will not be shared. If atoms has same electronegativity means sharing of electron will be equal.

Bond type

Difference in electronegativity

Pure covalent

< 0.4

Non-polar covalent

0.0-0.4

Polar covalent

Between 0.4 to 1.8

Ionic

>1.8

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 4.2 - Prob. 4.1P Ch. 4.2 - Prob. 4.2P Ch. 4.2 - Prob. 4.3CP Ch. 4.4 - Use the electronegativity values in Figure 4.4 to...Ch. 4.4 - Order the following compounds according to the...Ch. 4.4 - An electrostatic potential map of water is shown...Ch. 4.5 - Prob. 4.7P Ch. 4.5 - Write formulas for compounds with the following...Ch. 4.5 - Prob. 4.9CP Ch. 4.6 - Draw electron-dot structures for the following...

Solution Summary: The author explains that ionic compounds consist of anions and cations held together by a polar covalent bond. Electronegativity is capable of atom to attract the shared electron towards itself.

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Chapter 4 Solutions

Bond type	Difference in electronegativity
Pure covalent	< 0.4
Non-polar covalent	0.0-0.4
Polar covalent	Between 0.4 to 1.8
Ionic	>1.8