Chemistry: A Molecular Approach Selected Solutions Manual, Books a la Carte Edition
4th Edition
ISBN: 9780134554259
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 9, Problem 33E
Interpretation Introduction
To explain: The electron sea model for bonding in metals.
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Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below.
Find the following:
(a) The no. of protons corresponding to each signal in the spectra
(6) Give the structure of the compound and assign the signals to each
proton in the compound.
a
70.2
Integration Values
C5H10O2
b
47.7
C
46.5
d
69.5
3.6 3.5
3.4 3.3 3.2 3.1 3.0
2.9 2.8
2.7
2.6 2.5
2.4 2.3 2.2 2.1 2.0
Chemical Shift (ppm)
1.9
1.8
1.7 1.6
1.5
1.4 1.3 1.2
1.1 1.0
0.9 0.8
Part 111. 1 H-NMR spectrum of a compound with integration values in red is given below.
Answer the following:
(a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure
of the molecule below.
(b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible.
complex splitting patterns assuming J values are not similar.
там
Br
22
2
3
6
4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0
Chemical Shift (ppm)
ra.
Br
2
3
6
6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
Chemical Shift (ppm)
2
2
Br
7.3
7.2
7.1
7.0 6.9
6.7 6.6 6.5
6.4
6.3
6.2
6.1
6.0
Chemical Shift (ppm)
5.9
5.8 5.7
5.5 5.4 5.3 5.2
5.0 4.9
1600°
1538°C
1493°C
In the diagram, the letter L indicates
that it is a liquid. Indicate its
components in the upper region
where only L is indicated.
The
iron-iron carbide phase
diagram.
Temperature (°C)
1400
8
1394°C
y+L
1200
2.14
y, Austenite
10000
912°C
800a
0.76
0.022
600
400
(Fe)
a, Ferrite
Composition (at% C)
15
1147°C
a + Fe3C
2
3
Composition (wt% C)
L
2500
4.30
2000
y + Fe3C
727°C
1500
Cementite (Fe3C)
1000
4
5
6
6.70
Temperature (°F)
Chapter 9 Solutions
Chemistry: A Molecular Approach Selected Solutions Manual, Books a la Carte Edition
Ch. 9 - Prob. 1SAQCh. 9 - Q2. Which set of elements is arranged in order of...Ch. 9 - Q3. Which is the correct Lewis structure for...Ch. 9 - Q4. Which compound is likely to have an incomplete...Ch. 9 - Prob. 5SAQCh. 9 - Prob. 6SAQCh. 9 - Prob. 7SAQCh. 9 - Prob. 8SAQCh. 9 - Prob. 9SAQCh. 9 - Prob. 10SAQ
Ch. 9 - Q11. Determine the formal charge of nitrogen in...Ch. 9 - Prob. 12SAQCh. 9 - Q13. Use formal charge to choose the best Lewis...Ch. 9 - Prob. 14SAQCh. 9 - Prob. 15SAQCh. 9 - Prob. 1ECh. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - 5. Describe the octet rule in the Lewis model.
Ch. 9 - 6. According to the Lewis model, what is a...Ch. 9 - 7. How do you draw an ionic Lewis structure?
Ch. 9 - 8. How can Lewis structures be used to determine...Ch. 9 - Prob. 9ECh. 9 - Prob. 10ECh. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 - Prob. 13ECh. 9 - Prob. 14ECh. 9 - 15. In a covalent Lewis structure, what is the...Ch. 9 - Prob. 16ECh. 9 - 17. How does the Lewis model for covalent bonding...Ch. 9 - 18. How does the Lewis model for covalent bonding...Ch. 9 - 19. What is electronegativity? What are the...Ch. 9 - Prob. 20ECh. 9 - 21. Explain percent ionic character of a bond. Do...Ch. 9 - 22. What is a dipole moment?
Ch. 9 - Prob. 23ECh. 9 - Prob. 24ECh. 9 - Prob. 25ECh. 9 - 26. What are resonance structures? What is a...Ch. 9 - 27. Do resonance structures always contribute...Ch. 9 - 28. What is formal charge? How is formal charge...Ch. 9 - 29. Why does the octet rule have exceptions? List...Ch. 9 - 30. Which elements can have expanded octets? Which...Ch. 9 - Prob. 31ECh. 9 - Prob. 32ECh. 9 - 33. What is the electron sea model for bonding in...Ch. 9 - Prob. 34ECh. 9 - 35. Write the electron configuration for N. Then...Ch. 9 - 36. Write the electron configuration for Ne. Then...Ch. 9 - 37. Write the Lewis symbol for each atom or...Ch. 9 - 38. Write the Lewis symbol for each atom or...Ch. 9 - 39. Write the Lewis symbols for the ions in each...Ch. 9 - 40. Write the Lewis symbols for the ions in each...Ch. 9 - 41. Use Lewis symbols to determine the formula for...Ch. 9 - 42. Use Lewis symbols to determine the formula for...Ch. 9 - 43. Explain the trend in the lattice energies of...Ch. 9 - 44. Rubidium iodide has a lattice energy of –617...Ch. 9 - 45. The lattice energy of CsF is –744 kJ/mol,...Ch. 9 - 46. Arrange these compounds in order of increasing...Ch. 9 - 47. Use the Born–Haber cycle and data from...Ch. 9 - 48. Use the Born–Haber cycle and data from...Ch. 9 - 49. Use covalent Lewis structures to explain why...Ch. 9 - 50. Use covalent Lewis structures to explain why...Ch. 9 - 51. Write the Lewis structure for each...Ch. 9 - 52. Write the Lewis structure for each...Ch. 9 - 53. Write the Lewis structure for each...Ch. 9 - 54. Write the Lewis structure for each...Ch. 9 - 55. Determine if a bond between each pair of atoms...Ch. 9 - 56. Determine if a bond between each pair of atoms...Ch. 9 - 57. Draw the Lewis structure for CO with an arrow...Ch. 9 - 58. Draw the Lewis structure for BrF with an arrow...Ch. 9 - 59. Write the Lewis structure for each molecule or...Ch. 9 - 60. Write the Lewis structure for each molecule or...Ch. 9 - 61. Write the Lewis structure for each molecule or...Ch. 9 - 62. Write the Lewis structure for each molecule or...Ch. 9 - 63. Write a Lewis structure that obeys the octet...Ch. 9 - 64. Write a Lewis structure that obeys the octet...Ch. 9 - 65. Use formal charge to identify the better Lewis...Ch. 9 - 66. Use formal charges to identify the better...Ch. 9 - 67. How important is the resonance structure shown...Ch. 9 - 68. In N2O, nitrogen is the central atom and the...Ch. 9 - 69. Draw the Lewis structure (including resonance...Ch. 9 - 70. Draw the Lewis structure (including resonance...Ch. 9 - 71. What are the formal charges of the atoms shown...Ch. 9 - 72. What are the formal charges of the atoms shown...Ch. 9 - 73. Write the Lewis structure for each molecule...Ch. 9 - 74. Write the Lewis structure for each molecule...Ch. 9 - 75. Write the Lewis structure for each ion....Ch. 9 - 76. Write Lewis structures for each molecule or...Ch. 9 - 77. Write Lewis structures for each molecule or...Ch. 9 - 78. Write Lewis structures for each molecule or...Ch. 9 - 79. Order these compounds in order of increasing...Ch. 9 - 80. Which compound shown here has the stronger...Ch. 9 - 81. Hydrogenation reactions are used to add...Ch. 9 - 82. Ethanol is a possible fuel. Use average bond...Ch. 9 - 83. Hydrogen, a potential future fuel, can be...Ch. 9 - Prob. 84ECh. 9 - 85. Write an appropriate Lewis structure for each...Ch. 9 - 86. Write an appropriate Lewis structure for each...Ch. 9 - 87. Each compound contains both ionic and covalent...Ch. 9 - 88. Each compound contains both ionic and covalent...Ch. 9 - 89. Carbon ring structures are common in organic...Ch. 9 - 90. Amino acids are the building blocks of...Ch. 9 - 91. Formic acid is responsible for the sting of...Ch. 9 - 92. Diazomethane is a highly poisonous, explosive...Ch. 9 - 93. The reaction of Fe2O3(s) with Al(s) to form...Ch. 9 - 94. NaCl has a lattice energy of –787 kJ/mol....Ch. 9 - 95. Draw the Lewis structure for nitric acid (the...Ch. 9 - 96. Phosgene (Cl2CO) is a poisonous gas used as a...Ch. 9 - 97. The cyanate ion (OCN–) and the fulminate ion...Ch. 9 - Prob. 98ECh. 9 - Prob. 99ECh. 9 - 100. Use Lewis structures to explain why Br3– and...Ch. 9 - 101. Draw the Lewis structure for HCSNH2. (The...Ch. 9 - 102. Draw the Lewis structure for urea, H2NCONH2,...Ch. 9 - 103. Some theories of aging suggest that free...Ch. 9 - 104. Free radicals are important in many...Ch. 9 - Prob. 105ECh. 9 - 106. Calculate ΔHrxn for the combustion of octane...Ch. 9 - 107. Draw the Lewis structure for each...Ch. 9 - Prob. 108ECh. 9 - Prob. 109ECh. 9 - 110. Calculate for the reaction using the bond...Ch. 9 - Prob. 111ECh. 9 - Prob. 112ECh. 9 - 113. A compound composed of only carbon and...Ch. 9 - Prob. 114ECh. 9 - 115. The main component of acid rain (H2SO4) forms...Ch. 9 - 116. A 0.167-g sample of an unknown acid requires...Ch. 9 - Prob. 117ECh. 9 - Prob. 118ECh. 9 - Prob. 119ECh. 9 - 120. The standard heat of formation of CaBr2 is...Ch. 9 - Prob. 121ECh. 9 - Prob. 122ECh. 9 - Prob. 123ECh. 9 - Prob. 124ECh. 9 - Prob. 125ECh. 9 - 126. Which statement is true of an endothermic...Ch. 9 - Prob. 127ECh. 9 - Prob. 128ECh. 9 - Prob. 129ECh. 9 - Prob. 130QGWCh. 9 - Prob. 131QGWCh. 9 - Prob. 132QGWCh. 9 - 133. Draft a list of step-by-step instructions for...Ch. 9 - Prob. 134QGWCh. 9 - 135. Evidence for the additional stabilization of...
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- Nonearrow_forwardPart II. Given below are the 'H-NMR spectrum at 300 MHz in CDC13 and mass spectrum using electron ionization of compound Brian. The FTIR of the said compound showed a strong peak at 1710 cm"). Determine the following: (a) molecular Formula and Degree of unsaturation of compound Brian (b) Basing on the given H-NMR spectrum tabulate the following (i) chemical shifts (ii) integration, ciii) multiplicity and (iv) interferences made for each signal (c) Draw the structure of compound Brian. ) ΕΙ 43 41 27 71 114 (M+) Hmmm 20 30 40 50 60 70 80 90 100 110 120 1H NMR spectrum 300 MHz in CDCl3 2.0 alle 1.0arrow_forwardThe iron-iron carbide phase diagram. In the diagram, the letter L indicates that it is a liquid. Indicate what its components are. Temperature (°C) 1600 10 Composition (at% C) 15 25 1538°C -1493°C 8 1400 1200 1394°C y+L L 2500 1147°C y. Austenite 2.14 4.30 2000 1000 912°C y + Fe3C 800ㅏ 0.76 0.022 600 a, Ferrite a + Fe3C 400 0 (Fe) Composition (wt% C) 727°C 1500 Cementite (Fe3C) 1000 6 6.70 Temperature (°F)arrow_forward
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