Chemistry: The Central Science (14th Edition)
Chemistry: The Central Science (14th Edition)
14th Edition
ISBN: 9780134414232
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
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Chapter 19, Problem 108IE

(a)

Interpretation Introduction

To determine: The Lewis structure of CS2 molecule; also the way to predict its bond order of CS bond.

Solution: The Lewis structure of CS2 is drawn. The bond order is determined by calculating the number of bonds between carbon and oxygen atoms in the Lewis structure.

Explanation:

The Lewis structure for a given compound is the representation of bonding and non bonding electron pairs in a molecule. The Lewis structure represents the number of single bonds and double bonds in the molecule along with the lone pair of electrons.
The electronic configuration of C and S is,

    C=1s22s22p2S=1s22s22p63s23p4

Since, carbon atom has two electrons in its p orbital, it can accept four more electrons and sulphur atom contains four atoms in its p orbital, it can accept two more electrons. Therefore, the carbon atoms makes double bond with two sulphur atoms to satisfy its valancy.
The Lewis structure of CS2 molecule is,

Chemistry: The Central Science (14th Edition), Chapter 19, Problem 108IE

Figure 1


The bond order is defined as the number of bonds between two atoms in a molecule. It is determined by the Lewis structure of the molecules. The number of bonds between carbon and sulphur in its structure are 2. Therefore, the bond order of CS bond in CS2 molecule is 2.

Conclusion:

The Lewis structure of CS2 is drawn. The bond order is determined by calculating the number of bonds between carbon and oxygen atoms in the Lewis structure

(b)

Interpretation Introduction

To determine: The structure of CS2 molecule by using the VSEPR method.

(c)

Interpretation Introduction

To determine: The balanced chemical equation for the given reaction.

(d)

Interpretation Introduction

To determine: The values of ΔH0 and ΔG0 for the given reaction; If the reaction is exothermic and spontaneous or not.

(e)

Interpretation Introduction

To determine: The value of ΔS0 for the vaporization of CS2(l) ; if the sign of ΔS0 favors vaporization or not.

(f)

Interpretation Introduction

To determine: The boiling point of CS2(l) ; if the CS2 a liquid or gas at 298K and 1atm .

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Chapter 19 Solutions

Chemistry: The Central Science (14th Edition)

Ch. 19.5 - Which of these statements is true? All spontaneous...Ch. 19.5 - Prob. 19.6.2PECh. 19.5 - Prob. 19.7.1PECh. 19.5 - Prob. 19.7.2PECh. 19.5 - Prob. 19.8.1PECh. 19.5 - Prob. 19.8.2PECh. 19.6 - What is the temperature above which the Haber...Ch. 19.6 - Prob. 19.9.2PECh. 19.7 - Prob. 19.10.1PECh. 19.7 - Prob. 19.10.2PECh. 19.7 - Prob. 19.11.1PECh. 19.7 - Prob. 19.11.2PECh. 19.7 - Prob. 19.12.1PECh. 19.7 - Prob. 19.12.2PECh. 19 - Prob. 1DECh. 19 - Prob. 1ECh. 19 - As shown here, one type of computer keyboard...Ch. 19 - 19.3 a. What are the signs of ΔS and ΔH for the...Ch. 19 - Predict the signs of H and S for this reaction....Ch. 19 - The accompanying diagram shows how entropy varies...Ch. 19 - Prob. 6ECh. 19 - The accompanying diagram shows how H (red line)...Ch. 19 - Prob. 8ECh. 19 - Prob. 9ECh. 19 - Prob. 10ECh. 19 - Prob. 11ECh. 19 - Prob. 12ECh. 19 - Prob. 13ECh. 19 - Can endothermic chemical reaction be spontaneous?...Ch. 19 - Prob. 15ECh. 19 - Prob. 16ECh. 19 - Prob. 17ECh. 19 - Prob. 18ECh. 19 - Prob. 19ECh. 19 - Prob. 20ECh. 19 - Prob. 21ECh. 19 - Prob. 22ECh. 19 - Prob. 23ECh. 19 - Prob. 24ECh. 19 - Prob. 25ECh. 19 - Prob. 26ECh. 19 - Prob. 27ECh. 19 - Prob. 28ECh. 19 - Prob. 29ECh. 19 - Prob. 30ECh. 19 - Prob. 31ECh. 19 - Using the heat of vaporization in Appendix B,...Ch. 19 - Prob. 33ECh. 19 - Prob. 34ECh. 19 - Prob. 35ECh. 19 - Prob. 36ECh. 19 - Prob. 37ECh. 19 - Prob. 38ECh. 19 - For each of the following pairs, predict which...Ch. 19 - For each of the following pairs, predict which...Ch. 19 - Predict the sign of the entropy change of the...Ch. 19 - Prob. 42ECh. 19 - Prob. 43ECh. 19 - 19.44 Propanol (C3H7OH) melts at – 126.5 o C and...Ch. 19 - Prob. 45ECh. 19 - Prob. 46ECh. 19 - Prob. 47ECh. 19 - Prob. 48ECh. 19 - Prob. 49ECh. 19 - Prob. 50ECh. 19 - Using So values from Appendix C, calculate So...Ch. 19 - Calculate So values for the following reactions by...Ch. 19 - Prob. 53ECh. 19 - Prob. 54ECh. 19 - For a certain chemical reaction, Ho = -35.4 kJ and...Ch. 19 - A certain reaction has Ho = +23.7.kJ and So = +...Ch. 19 - Using data in Appendix C, calculate Ho, So, and Go...Ch. 19 - Prob. 58ECh. 19 - Prob. 59ECh. 19 - Prob. 60ECh. 19 - Prob. 61ECh. 19 - Prob. 62ECh. 19 - Prob. 63ECh. 19 - Prob. 64ECh. 19 - Prob. 65ECh. 19 - Prob. 66ECh. 19 - Prob. 67ECh. 19 - Prob. 68ECh. 19 - Prob. 69ECh. 19 - Prob. 70ECh. 19 - a. Use data in Appendix c to estimate the boiling...Ch. 19 - Prob. 72ECh. 19 - Prob. 73ECh. 19 - Prob. 74ECh. 19 - Prob. 75ECh. 19 - Prob. 76ECh. 19 - Prob. 77ECh. 19 - 19.78 Consider the reaction 3CH4(g) C3H8(g) ...Ch. 19 - Use data from Appendix C to calculate the...Ch. 19 - Prob. 80ECh. 19 - Prob. 81ECh. 19 - Prob. 82ECh. 19 - Prob. 83ECh. 19 - Prob. 84ECh. 19 - Prob. 85AECh. 19 - Prob. 86AECh. 19 - Prob. 87AECh. 19 - Prob. 88AECh. 19 - Prob. 89AECh. 19 - Prob. 90AECh. 19 - Prob. 91AECh. 19 - Prob. 92AECh. 19 - Prob. 93AECh. 19 - Prob. 94AECh. 19 - Prob. 95AECh. 19 - Prob. 96AECh. 19 - Prob. 97AECh. 19 - Prob. 98AECh. 19 - Prob. 99AECh. 19 - Prob. 100AECh. 19 - Prob. 101AECh. 19 - Prob. 102AECh. 19 - Most liquids follow Trouton’s rule (see Exercise...Ch. 19 - In chemical kinetics, the entropy of activation is...Ch. 19 - Prob. 105IECh. 19 - Prob. 106IECh. 19 - Prob. 107IECh. 19 - Prob. 108IECh. 19 - The following data compare the standard enthalpies...Ch. 19 - Prob. 110IECh. 19 - Prob. 111IECh. 19 - Prob. 112IE
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