Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 55E
Using the molecular orbital model, write electron configurations for the following diatomic species and calculate the bond orders. Which ones are paramagnetic? Place the species in order of increasing bond length and bond energy.
a. CO
b. CO+
c. CO2+
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The formula for nitryl chloride is CINO2 (in which N is the central atom).
a.Draw the Lewis structure for the molecule, including all resonance structures.
b.What is the N-O bond order?
c.Describe the electron-pair and molecular geometries and give values for all bond angles.
d.What is the most polar bond in the molecule? Is the molecule polar?
e.The computer program used to calculate electrostatic potential surfaces gave the following charges on atoms in the molecule: A =-0.03, B = -0.26, and C = +0.56. Identify the atoms A, B, and C. Are these calculated charges in accord with your predictions?
What are the angles a and b in the actual molecule of which this is a Lewis structure?
a
fot
H
a =
b
C
b
Note for advanced students: give the ideal angles, and don't worry about small differences from the ideal that might be caused by the fact that different electron
groups may have slightly different sizes.
EN:
X
S
Do the Lewis structure of Urea (NH2)2CO
1. lewis structure2. assign the VSEPR model of the central atom3. Value of the corresponding theoretical angle4. classify 3 of the different bonds around the central atom as ionic or covalent5. draw the complete 3-D structure with respect to the central atom (s)6. draw the lewis structure for another mnolecule or species with a different atomic arrangement
Chapter 9 Solutions
Chemistry
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