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- How many π molecular orbitals (π-MOs) are formed from the linear combination of atomicorbitals (AOs) contributing to the π-bonding in pentene?(a) Using only the valence atomic orbitals of a hydrogenatom and a fluorine atom, and following the model ofFigure 9.46, how many MOs would you expect for the HFmolecule? (b) How many of the MOs from part (a) would beoccupied by electrons? (c) It turns out that the difference inenergies between the valence atomic orbitals of H and F aresufficiently different that we can neglect the interaction ofthe 1s orbital of hydrogen with the 2s orbital of fluorine.The 1s orbital of hydrogen will mix only with one 2p orbitalof fluorine. Draw pictures showing the proper orientationof all three 2p orbitals on F interacting with a 1s orbitalon H. Which of the 2p orbitals can actually make a bondwith a 1s orbital, assuming that the atoms lie on the z-axis?(d) In the most accepted picture of HF, all the other atomicorbitals on fluorine move over at the same energy into themolecular orbital energy-level diagram for HF. These arecalled “nonbonding orbitals.” Sketch the energy-level diagramfor HF using…Give typed full explanation not a single word hand written otherwise leave it Draw the molecular orbital (MO) electron diagram for OF2.
- What is the orientation of the two unhybridized p orbitals on Be with respect to thetwo Be¬F bonds?I am confused why this powerpoint slight says 'sideways overlap... leads to a p-bonding MO AND a p*-antibonding MO.' Isn't it one or the other? Why does it say AND? The orbitals can't have descrutive and constructive interaction at the same time right?The C-C bond distance is agodd indicator of the degree of pi-backbonding.How?
- structure b and c are wronf, please make it very clear where the ends and points of the arrows are touchingCan you give examples of molecules where we can find the following atoms in? Thanks! O (sp3-hybridized) Oxygen (sp2-hybridized) Nitrogen (sp2-hybridized) Carbon (sp2-hybridized)The following is part of a molecular orbital energy-level diagramfor MOs constructed from 1s atomic orbitals. (a) What labels do we use for the two MOs shown? (b) Forwhich of the following molecules or ions could this be theenergy-level diagram:H2, He2, H2+, He2+, or H2-?(c) What is the bond order of the molecule or ion? (d) If anelectron is added to the system, into which of the MOs will itbe added? [
- Select one: True or False 1- Besides providing the largest suitable number of valance orbitals for covalent bond formation it can determine the final shape of the molecule for example Sp hybridization leads to a diagonal planner molecule, SP2 hybridization while Sp3 hybridization leads a pyramidal (tetrahydral shape) 2- About the underlying compound ( in the images ) , it it’s a calcium complex of EDTA used to treat metal toxicities like pulmbism in order to avoid hypocalcaemia.β-Carotene is the compound responsiblefor the orange color of carrots and is theprecursor to vitamin A. Judging from theLewis structure shown here, how many πbonds does β-carotene have?identify the hybridization of each carbon in all the following structures