Give reason for the lower boiling point of C O 2 than N a 2 C O 3 on the basis of structural units. Concept Introduction : Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

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Answer 1

Question

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

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Part II. Given two isomers: 2-methylpentane (A) and 2,2-dimethyl butane (B) answer the following: (a) match structures of isomers given their mass spectra below (spectra A and spectra B) (b) Draw the fragments given the following prominent peaks from each spectrum: Spectra A m/2 =43 and 1/2-57 spectra B m/2 = 43 (c) why is 1/2=57 peak in spectrum A more intense compared to the same peak in spectrum B. Relative abundance Relative abundance 100 A 50 29 29 0 10 -0 -0 100 B 50 720 30 41 43 57 71 4-0 40 50 60 70 m/z 43 57 8-0 m/z = 86 M 90 100 71 m/z = 86 M -O 0 10 20 30 40 50 60 70 80 -88 m/z 90 100

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For each reaction shown below follow the curved arrows to complete each equationby showing the structure of the products. Identify the acid, the base, the conjugated acid andconjugated base. Consutl the pKa table and choose the direciton theequilibrium goes. However show the curved arrows. Please explain if possible.

Answer 2

Question

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

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Answer 3

Question

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

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Answer 4

Question

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

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Answer 5

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 6

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 7

Chapter 9, Problem 32QAP

(a)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of CO2 than Na2CO3 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of N2H4 than

C2H6 on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Give reason for the lower boiling point of formic acid than benzoic acid, on the basis of structural units.

Concept Introduction :

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 12

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 13

(d)

Interpretation Introduction

Interpretation:

Give reason for the higher boiling point of CO than N2 on the basis of structural units.

Concept Introduction:

Boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved. The stronger the intermolecular forces, the higher will be the boiling and melting point of the substance. This is so because more energy is required to overcome strong bonds, whereas less energy is required to overcome weak bonds.

Answer 14

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Answer 17

Ch. 9 - Prob. 1QAP Ch. 9 - Prob. 2QAP Ch. 9 - The vapor pressure of I2(s) at 30C is 0.466 mm Hg....Ch. 9 - Prob. 4QAP Ch. 9 - Trichloroethane, C2H3Cl3 is used as a degreaser...Ch. 9 - p-Dichlorobenzene, C6H4Cl2, can be one of the...Ch. 9 - Prob. 7QAP Ch. 9 - Dichloromethane, CH2Cl2,is widely used as a...Ch. 9 - Prob. 9QAP Ch. 9 - Prob. 10QAP

Solution Summary: The author explains that boiling and melting points of molecular substances depend upon the strength of the intermolecular forces involved.

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