Inorganic Chemistry
5th Edition
ISBN: 9780321917799
Author: Tarr
Publisher: YUZU
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Chapter 5, Problem 5.20P
Describe the bonding in
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(d) In the formation of CO, the 2s orbital from C and 2p orbital from O could also participate in the formation of σ molecular orbital. Explain why this is possible?
(1) Show the all shapes of bonding and antibonding molecular orbitals (MOS)
by combinations of two p orbitals. (2) Describe the sigma (ơ) and pi (x) bond
for ethylene (C2H4). -
The diagram that follows shows the highest-energy occupiedMOs of a neutral molecule CX, where element X is in thesame row of the periodic table as C. (a) Based on the numberof electrons, can you determine the identity of X? (b) Wouldthe molecule be diamagnetic or paramagnetic? (c) Considerthe p2p MOs of the molecule. Would you expect them to havea greater atomic orbital contribution from C, have a greateratomic orbital contribution from X, or be an equal mixtureof atomic orbitals from the two atoms?
Chapter 5 Solutions
Inorganic Chemistry
Ch. 5.1 - Repeat the process in the preceding example for...Ch. 5.2 - Prob. 5.2ECh. 5.3 - Use a similar approach to the discussion of HF to...Ch. 5.4 - Sketch the energy levels and the molecular...Ch. 5.4 - Using the D2h character table shown, verify that...Ch. 5.4 - Using orbital potential energies, show that group...Ch. 5.4 - Prob. 5.7ECh. 5.4 - Prob. 5.8ECh. 5.4 - Prob. 5.9ECh. 5.4 - Use the projection operator method to derive...
Ch. 5.4 - Determine the types of hybrid orbitals that are...Ch. 5.4 - Determine the reducible representation for all the...Ch. 5 - Expand the list of orbitais considered in Figures...Ch. 5 - On the basis of molecular orbitals, predict the...Ch. 5 - On the basis of molecular orbitals, predict the...Ch. 5 - Compare the bonding in O22,O2 and O2 Include Lewis...Ch. 5 - Although the peroxide ion, O22 and the acetylide...Ch. 5 - High-resolution photoelectron spectroscopy has...Ch. 5 - a. Prepare a molecular orbital energy-level...Ch. 5 - a. Prepare a molecular orbital energy-level...Ch. 5 - NF is a known molecule a. Construct a molecular...Ch. 5 - The hypofluorite ion, OF can be observed only with...Ch. 5 - Prob. 5.11PCh. 5 - Although KrF+ and XeF+ have been studied, KrBr+...Ch. 5 - Prepare a molecular orbital energy level diagram...Ch. 5 - Methylene, CH2 plays an important role in many...Ch. 5 - Beryllium hydride, BeH2 is linear in the gas...Ch. 5 - In the gas phase, BeF2 forms linear monomeric...Ch. 5 - For the compound XeF2 do the following: a. Sketch...Ch. 5 - TaH5 has been predicted to have C4v symmetry, with...Ch. 5 - Describe the bonding in ozone, o3 on the basis of...Ch. 5 - Describe the bonding in SO3 by using group theory...Ch. 5 - The ion H3+ has been observed, but its structure...Ch. 5 - Use molecular orbital arguments to explain the...Ch. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - The isomenc ions NSO (thiazate) and SNO...Ch. 5 - Apply the projection operator method to derive the...Ch. 5 - Apply the projection operator method to derive the...Ch. 5 - A set of four group orbitals derived from four 3s...Ch. 5 - The projection operator method has applications...Ch. 5 - Although the cl2+ ion has not been isolated, it...Ch. 5 - BF3 is often described as a molecule in which...Ch. 5 - SF4 has C2v symmetry. Predict the possible...Ch. 5 - Consider a square pyramidal AB5 molecule. Using...Ch. 5 - Prob. 5.34PCh. 5 - For the molecule PCl5 : a. Using the character...Ch. 5 - Molecular modeling software is typically capable...Ch. 5 - Prob. 5.39PCh. 5 - Calculate and display the orbitals for the linear...Ch. 5 - Prob. 5.41PCh. 5 - Prob. 5.42PCh. 5 - Prob. 5.43PCh. 5 - Diborane, B2H6 , has the structure shown. a. Using...
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- The molecular orbital diagram of NO shown in Figure 10.47 also applies to OF. Draw the complete molecular orbital diagram for OF. What is the OF bond order? Figure 10.47 Molecular orbital diagram for nitric oxide (NO). The molecular orbital diagram for NO predicts a bond order of 2.5 and predicts that the molecule is paramagnetic with one unpaired electron. These predictions are verified by experimental measurements.arrow_forwardWhy do we hybtidize atomic orbitals to explain the bonding in covalent compounds? What type of bonds form from hybrid orbitals: sigma or pi? Explain.arrow_forwardExplain the difference between the and MOs for homonuclear diatomic molecules. How are bonding and antibonding orbitals different? Why are there two MOs and one MO? Why are the MOs degenerate?arrow_forward
- Bromine forms a number of oxides of varying stability. (a) One oxide has 90.90% Br and 9.10% O. Assuming its empirical and molecular formulas are the same, draw a Lewis structure of the molecule and specify the hybridization of the central atom (O). (b) Another oxide is unstable BrO. Assuming the molecular orbital diagram in Figure 9. 16 applies to BrO, write its electron configuration (where Br uses 45 and 4p orbitals). What is the highest occupied molecular orbital (HOMO) for the molecule?arrow_forwardCalcium carbide (CaC2) is an intermediate in the manufacturing of acetylene (C2H2) . It is the calcium salt of the carbide (also called acetylide) ion (C22) . What is the electron configuration of this molecular ion? What is its bond order?arrow_forwardThe molecular orbital diagram of NO shown in Figure 10.47 also applies to the following species. Write the molecular orbital electron configuration of each, indicating the bond order and the number of unpaired electrons. (a) LiBe+ (b) CO+ (c) CN (d) OF Figure 10.47 Molecular orbital diagram for nitric oxide (NO). The molecular orbital diagram for NO predicts a bond order of 2.5 and predicts that the molecule is paramagnetic with one unpaired electron. These predictions are verified by experimental measurements.arrow_forward
- Consider the molecule BF3. (a) What is the electron configurationof an isolated B atom? (b) What is the electron configurationof an isolated F atom? (c) What hybrid orbitalsshould be constructed on the B atom to make the B–F bondsin BF3? (d) What valence orbitals, if any, remain unhybridizedon the B atom in BF3?arrow_forwardThe iodine bromide molecule, IBr, is an interhalogen compound.Assume that the molecular orbitals of IBr are analogous tothe homonuclear diatomic molecule F2. (a) Which valenceatomic orbitals of I and of Br are used to construct the MOs ofIBr? (b) What is the bond order of the IBr molecule? (c) One ofthe valence MOs of IBr is sketched here. Why are the atomicorbital contributions to this MO different in size? (d) What isthe label for the MO sketched below? (e) For the IBr molecule,how many electrons occupy the MO sketched below?arrow_forwardIn ozone, O3, the two oxygen atoms on the ends of the moleculeare equivalent to one another. (a) What is the bestchoice of hybridization scheme for the atoms of ozone?(b) For one of the resonance forms of ozone, which of theorbitals are used to make bonds and which are used to holdnonbonding pairs of electrons? (c) Which of the orbitalscan be used to delocalize the π electrons? (d) How manyelectrons are delocalized in the p system of ozone?arrow_forward
- The orbital diagram that follows presents the final step in theformation of hybrid orbitals by a silicon atom. (a) Which ofthe following best describes what took place before the steppictured in the diagram: (i) Two 3p electrons became unpaired,(ii) An electron was promoted from the 2p orbital tothe 3s orbital, or (iii) An electron was promoted from the 3sorbital to the 3p orbital? (b) What type of hybrid orbital isproduced in this hybridization? [arrow_forwardThe orbital diagram that follows presents the final step in theformation of hybrid orbitals by a silicon atom. (a) Which ofthe following best describes what took place before the steppictured in the diagram: (i) Two 3p electrons became unpaired,(ii) An electron was promoted from the 2p orbital tothe 3s orbital, or (iii) An electron was promoted from the 3sorbital to the 3p orbital? (b) What type of hybrid orbital isproduced in this hybridization? [Section 9.5]arrow_forward(a) Sketch the molecular orbitals of the H2- ion and draw itsenergy-level diagram. (b) Write the electron configuration ofthe ion in terms of its MOs. (c) Calculate the bond order inH2-. (d) Suppose that the ion is excited by light, so that anelectron moves from a lower-energy to a higher-energy molecularorbital. Would you expect the excited-state H2- ion to bestable? (e) Which of the following statements about part (d) is correct: (i) The light excites an electron from a bonding orbitalto an antibonding orbital, (ii) The light excites an electronfrom an antibonding orbital to a bonding orbital, or (iii)In the excited state there are more bonding electrons thanantibonding electrons?arrow_forward
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