(a) Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated. Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

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Answer 1

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Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

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Draw a Lewis structure for each of the following molecules and assign charges where appropriate. The order in which the atoms are connected is given in parentheses. a. CIFCIF b. BrCNBrCN 0 c. SOCI2 × (CISCIO) SOC₁₂ (CISCI) You can draw both an octet and a valence shell expanded structure. Considering the following structural information, which is the better one: The measured S-OS-O bond length in SOC12SOCl2 is 1.43 Å. For comparison, that in SO2SO2 is 1.43 Å [Exercise 1-9, part (b)], that in CHзSOHCH3 SOH d. CH3NH2CH3NH2 (methanesulfenic acid) is 1.66 A. e. CH3OCH3 CH3 OCH3 NH2 f. N2H2× (HNNH) N2 H2 (HNNH) g. CH2COCH₂ CO h. HN3× (HNNN) HN3 (HNNN) i. N20 × (NNO) N2O (NNO)

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PROBLEM 4 Solved Show how 1-butanol can be converted into the following compounds: a. PROBLEM 5+ b. d. -C= N

Answer 2

Question

Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

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Answer 3

Question

Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

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Answer 4

Question

Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

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Answer 5

Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

Answer 6

Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Answer 7

Chapter 4, Problem 4.46P

Interpretation Introduction

(a)

Interpretation: The reason as to why one isomer has a lower melting point but higher boiling point is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes surface area is less.

Answer 8

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

Answer 9

Interpretation Introduction

(b)

Interpretation: The reason behind the small difference in the boiling points of the given compounds, but a huge difference in their melting points is to be stated.

Concept introduction: Symmetry is one of the important factors for deciding the melting point of a compound. Symmetrical molecule will have high melting point than unsymmetrical molecule. The boiling point of compound is higher, if it contains more polarizable atoms. The boiling point also increases with increase in surface area. Branched chain alkanes have low boiling point than straight chain alkanes because in branched chain alkanes, surface area is less.

Answer 10

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Answer 12

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Answer 13

Ch. 4 - Prob. 4.1P Ch. 4 - Prob. 4.2P Ch. 4 - (a) Classify the carbon atoms in each compound as...Ch. 4 - Problem 3.3 Classify a carbon atom by the number...Ch. 4 - Problem 4.3 Draw the five constitutional isomers...Ch. 4 - Prob. 4.6P Ch. 4 - Prob. 4.7P Ch. 4 - Draw the five constitutional isomers that have...Ch. 4 - Give the IUPAC name for each compound. a. c. b. ...Ch. 4 - Give the IUPAC name for each compound. a....

Solution Summary: The author explains that symmetry is one of the important factors for deciding the melting point of a compound.

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