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- For C₂ molecule: a) Construct a MO diagram. State the HOMO and LUMO. Calculate the bond order. b) d) e) Write the electronic configuration. Determine the magnetic property.1) For N2 and N2*, molecule: a) Construct a MO diagram. b) Calculate the bond order. c) State the magnetic property d) Write the electronic configuration. e) Describe the differences in bond strength and bond length.For F₂ molecule: a) b) c) d) e) Construct a MO diagram. State the HOMO and LUMO. Calculate the bond order. Write the electronic configuration. Determine the magnetic property.
- For N₂ and N₂*, a) Construct a MO diagram. State the magnetic property Calculate the bond order b) Describe the differences in bond strength and bond length. c) d)3) For C₂ molecule: a) Construct a MO diagram. State the HOMO and LUMO. Calculate the bond order. Write the electronic configuration. Determine the magnetic property.2. In the molecular orbital (MO) scheme for frontier orbitals of benzene, answer the following: a) how many of the carbons in benzene are sp²/p hybridized? b) how many p-n electrons does this system have? c) how many T,7* MOs can be constructed from the carbon p-orbitals? d) labeling these yn (n= 1 to ....) increasing in energy, how many vertical nodes do the following MOs have ? Y2,43 ¥4,Y5 e) on the hexagonal skeleton to right, draw the molecular orbital for y3, or y4. Are these MOs bonding, non-bonding or antibonding? Clearly show/tell why. f) in benzene, what orbital(s) is/are the HOMO? yn = g) what is the (value of the) aromatic stabilization energy for benzene? h) is benzene more or less stable than 1,3,5-cyclohexatriene? more less i) in two words, what is the structure of benzene? the LUMO? yn = kJ/mol (circle one)
- Hydrofluoric acid (HF) forms strong bonds with other HF molecules to form a zigzag chain-like structure in its liquid form, as shown in the schematic below: a) Draw the molecular orbital diagram for HF. Be sure to clearly label orbitalsymmetries and indicate which orbitals are occupied by electrons. b) Identify and sketch the spatial representation of the HOMO and LUMO for the HF molecule. c) Based on your MO diagram, briefly explain why HF adopts a zigzag structure.1. MO diagrams for ions: Molecule orbital diagrams can also be used to predict the bond orders of not-so- common molecules and ions. (a) On the blank MO diagrams below, draw complete molecular orbital energy-level diagrams for O₂ and O₂. Predict the bonds orders of these molecules. (b) Repeat the exercise above for N₂ and N₂". (c) Use valence bond theory to draw Lewis structures of the four ions above. What bond order do these Lewis structures suggest? Compare these bond orders with the predictions of MO theory and discuss the similarities and differences. 1113 2p 12 2s 1 1 1 2p 14 2s 2p 2p AQ no. 8: Construct MO diagram for each of following species F2, F2*, F2 and F2 2-. You can use the below given MO diagram as a template. State the bond order and compare the magnetic properties of these molecules/molecular ions.
- As a group come to a consensus and write a brief one or two sentence answer for (a) through (h) using the molecular orbital diagram below: See pre-tutorial for answers (d) Explain what set C, where two of the energy levels are labelled as 2s-2s and 2s+2s, represents. Set A Set B Set C Set D (a) highest o () lowest g (c) * (e) Explain which set of energy levels (A through D) possess energy levels for hybridized orbitals. (d) any of the 2p = = 2p (f) Identify and explain which energy LEVEL represents the most stable bonding orbital. 2s- %23 (e) lowest a 2s (g) Identify and explain which energy level(s) represent non-bonding electrons and why. (a) Explain which set of energy levels (A through D) represent the atomic orbitals of the atoms in NO: (h) Why are some lines connecting energy levels black and others grey? (b) Explain which energy levels represent bonding orbitals. (e) Explain which energy levels represent antibonding orbitals. Energy2. Prepare a molecular orbital energy-level diagram for the cyanide ion. b) What is the bond order for cyanide, and how many unpaired electrons does cyanide have?| Constants | Periodic Submit Previous Answers v Correct The highest energy electron is in an antibonding orbital for Lig Part C Use the MO diagrams to calculate the bond order for Lig+ and Lig Express the bond order for Liz+ followed by the bond order for Li2 separated by a comma. V ΑΣφ ? bondJorder for Lig+, Li2 = Your submission doesn't have the correct number of answers. Answers should be separated with a comma. No credit lost. Try again. Submit Previous Answers Request Answer Part D Which do you expect to exist in the gas phase. P Pearson 21 Pearson Education Inc. All rights reserved. Terms of Use l Privacy Policy Permissions| Contact Us | 5:29 PM 61% 84°F Sunny 11/13/20 Home End Insert Delete F10 F11 F12 Backspace NumLock