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Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 2ALQ
Explain the difference between the σ and π MOs for homonuclear diatomic molecules. How are bonding and antibonding orbitals different? Why are there two π MOs and one σ MO? Why are the π MOs degenerate?
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Chapter 4 Solutions
Chemistry: An Atoms First Approach
Ch. 4 - Explain the main postulate of the VSEPR model....Ch. 4 - Explain why CF4 and Xef4 are nonpolar compounds...Ch. 4 - Consider the following compounds: CO2, SO2, KrF2,...Ch. 4 - Prob. 4RQCh. 4 - What hybridization is required for central atoms...Ch. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - What are molecular orbitals? How do they compare...Ch. 4 - Explain the difference between the and MOs for...Ch. 4 - Prob. 3ALQ
Ch. 4 - Which of the following would you expect to be more...Ch. 4 - Arrange the following molecules from most to least...Ch. 4 - Which is the more correct statement: The methane...Ch. 4 - Prob. 7ALQCh. 4 - Prob. 8ALQCh. 4 - Which of the following statements is/are true?...Ch. 4 - Give one example of a compound having a linear...Ch. 4 - In the hybrid orbital model, compare and contrast ...Ch. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Prob. 15QCh. 4 - Prob. 16QCh. 4 - Compare and contrast bonding molecular orbitals...Ch. 4 - Prob. 18QCh. 4 - Why does the molecular orbital model do a better...Ch. 4 - The three NO bonds in NO3 are all equivalent in...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - Predict the molecular structure and bond angles...Ch. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Two variations of the octahedral geometry (see...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - State whether or not each of the following has a...Ch. 4 - The following electrostatic potential diagrams...Ch. 4 - Which of the molecules in Exercises 21 and 22 have...Ch. 4 - Which of the molecules in Exercises 27 and 28 have...Ch. 4 - Write Lewis structures and predict the molecular...Ch. 4 - Write Lewis structures and predict whether each of...Ch. 4 - Consider the following Lewis structure where E is...Ch. 4 - Consider the following Lewis structure where E is...Ch. 4 - The molecules BF3, CF4, CO2, PF5, and SF6 are all...Ch. 4 - Two different compounds have the formula XeF2Cl2....Ch. 4 - Use the localized electron model to describe the...Ch. 4 - Use the localized electron model to describe the...Ch. 4 - Use the localized electron model to describe the...Ch. 4 - Use the localized electron model to describe the...Ch. 4 - The space-filling models of ethane and ethanol are...Ch. 4 - The space-filling models of hydrogen cyanide and...Ch. 4 - Prob. 45ECh. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - Give the expected hybridization of the central...Ch. 4 - For each of the following molecules, write the...Ch. 4 - For each of the following molecules or ions that...Ch. 4 - Prob. 51ECh. 4 - The allene molecule has the following Lewis...Ch. 4 - Indigo is the dye used in coloring blue jeans. The...Ch. 4 - Prob. 54ECh. 4 - Prob. 55ECh. 4 - Many important compounds in the chemical industry...Ch. 4 - Two molecules used in the polymer industry are...Ch. 4 - Hot and spicy foods contain molecules that...Ch. 4 - One of the first drugs to be approved for use in...Ch. 4 - The antibiotic thiarubin-A was discovered by...Ch. 4 - Prob. 61ECh. 4 - Sketch the molecular orbital and label its type (...Ch. 4 - Prob. 63ECh. 4 - Which of the following are predicted by the...Ch. 4 - Prob. 65ECh. 4 - Prob. 66ECh. 4 - Prob. 67ECh. 4 - Using the molecular orbital model to describe the...Ch. 4 - Prob. 69ECh. 4 - A Lewis structure obeying the octet rule can be...Ch. 4 - Using the molecular orbital model, write electron...Ch. 4 - Using the molecular orbital model, write electron...Ch. 4 - In which of the following diatomic molecules would...Ch. 4 - In terms of the molecular orbital model, which...Ch. 4 - Prob. 75ECh. 4 - Show how a hydrogen 1s atomic orbital and a...Ch. 4 - Use Figs. 4-54 and 4-55 to answer the following...Ch. 4 - The diatomic molecule OH exists in the gas phase....Ch. 4 - Prob. 79ECh. 4 - Describe the bonding in NO+, NO, and NO, using...Ch. 4 - Describe the bonding in the O3 molecule and the...Ch. 4 - Prob. 82ECh. 4 - Prob. 83AECh. 4 - Vitamin B6 is an organic compound whose deficiency...Ch. 4 - Two structures can be drawn for cyanuric acid: a....Ch. 4 - Prob. 86AECh. 4 - What do each of the following sets of...Ch. 4 - Aspartame is an artificial sweetener marketed...Ch. 4 - Prob. 89AECh. 4 - The three most stable oxides of carbon are carbon...Ch. 4 - Prob. 91AECh. 4 - Which of the following molecules have net dipole...Ch. 4 - The strucrure of TeF5 is Draw a complete Lewis...Ch. 4 - Complete the following resonance structures for...Ch. 4 - Prob. 95AECh. 4 - Describe the bonding in the first excited state of...Ch. 4 - Using an MO energy-level diagram, would you expect...Ch. 4 - Show how a dxz. atomic orbital and a pz, atomic...Ch. 4 - What type of molecular orbital would result from...Ch. 4 - Consider three molecules: A, B, and C. Molecule A...Ch. 4 - Prob. 101CWPCh. 4 - Predict the molecular structure, bond angles, and...Ch. 4 - Draw the Lewis structures for SO2, PCl3, NNO, COS,...Ch. 4 - Draw the Lewis structures for TeCl4, ICl5, PCl5,...Ch. 4 - A variety of chlorine oxide fluorides and related...Ch. 4 - Pelargondin is the molecule responsible for the...Ch. 4 - Complete a Lewis structure for the compound shown...Ch. 4 - Prob. 108CWPCh. 4 - Consider the molecular orbital electron...Ch. 4 - Place the species B2+ , B2, and B2 in order of...Ch. 4 - The compound NF3 is quite stable, but NCl3 is very...Ch. 4 - Predict the molecular structure for each of the...Ch. 4 - Prob. 113CPCh. 4 - Cholesterol (C27liu;O) has the following...Ch. 4 - Cyanamide (H2NCN), an important industrial...Ch. 4 - As compared with CO and O2, CS and S2 are very...Ch. 4 - Prob. 117CPCh. 4 - Use the MO model to explain the bonding in BeH2....Ch. 4 - Prob. 119CPCh. 4 - Arrange the following from lowest to highest...Ch. 4 - Prob. 121CPCh. 4 - Prob. 122CPCh. 4 - Carbon monoxide (CO) forms bonds to a variety of...Ch. 4 - The space-filling model for benzoic acid, a food...Ch. 4 - As the bead engineer of your starship in charge of...Ch. 4 - A flask containing gaseous N2 is irradiated with...Ch. 4 - Determine the molecular structure and...
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Linear Combination of Atomic Orbitals LCAO; Author: Edmerls;https://www.youtube.com/watch?v=nq1zwrAIr4c;License: Standard YouTube License, CC-BY
Quantum Molecular Orbital Theory (PChem Lecture: LCAO and gerade ungerade orbitals); Author: Prof Melko;https://www.youtube.com/watch?v=l59CGEstSGU;License: Standard YouTube License, CC-BY