Which MOs are the HOMO and the LUMO in the excited state?

Q: How can a molecular orbital diagram predict the energy of the d-orbital splitting (using the σ…

A: The MOT of the octahedral complex in the presence of different donor ligands are given below:

Q: a. Cyclooctatetraene (COT) is shown below. use the Hückel molecular orbital theory…

A: The pi molecular orbital diagram of cyclooctatetraene is needed to be drawn using the Huckel's…

Q: C. Below are the molecular orbital energy diagrams for the cyclopentadienyl anion and…

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Q: Identify the HOMO in the MO diagram of CN- (shown below). Op

A: HOMO means the Highest Occupied Molecular Orbitals, that it is the orbital of highest energy out of…

Q: How many s bond orbitals are available for overlap with the vacant p orbital in1. the isobutyl…

A: The positive charge on carbon signifies an empty p-orbital, the orbital on  adjacent C-H sigma bond…

Q: Consider IF3O2 (with I as the central atom). How many isomers are possible (draw them)?Which is…

A: The isomers of IF3O2 are,   The most stable isomer is figure (III).  This is because, the adjacent…

Q: The MOE results and a discussion pertaining to the conformation of Thioflavin T at low potential…

A: Thioflavin T is a type of Biphenyl compound. In Biphenyl compounds, two phenyl groups are connected…

Q: • Q: Calculate the wavelength of the radiation that will be absorbed in promoting an electron from…

A: For butadiene  X= +1.618 , + 0.618  X= - 1.618, -0.618

Q: Using only the orbitals shown in the diagram, match each MO (I-IV) with the type of interaction it…

A: Atomic orbital mix due to hybridization i.e concept of mixing orbital

Q: (a) What is the difference between a localized p bond and adelocalized one? (b) How can you…

A: a) To determine the difference between the localized π bond and delocalized one: In a localized π…

Q: How would you draw a molecular orbital diagram of butadiene showing the energies and occupancy ofthe…

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Q: 5.How many total valence electrons will be contained in an MO diagram of the species B2- ?

A: We can calculate the balance electrone from The MO diagram of B2-  as follows.

Q: Which of the following point groups would make a molecule to be polar? Select one: O DAh O C3v O Ta

A: A multiple choice question based on the relationship between point group and polarity of molecules.

Q: What is the effect of infra-red light to the molecule if it absorbed? O a. High energy from…

A: When  the frequency of infrared red light matches to the frequencies of the molecule, the molecule…

Q: What is the hybridization state of each indicated

A: The question is based on the concept of chemical bonding. We have to identify the hybridization of…

Q: The highest occupied molecular orbital (HOMO) for the allyl cation is best represented by which of…

A: Given,  The highest occupied molecular orbital(HOMO) for the allyl cation is:

Q: Can you please help me determine the σ framework and π MO Energy Diagram for this molecule?

A: Chemical formula of formaldehyde = CH2OC-H and C-O bonds are formed by sharing of electrons. Thus,…

Q: Which one of the following molecule do not belong to the high symmetry group? O Cla O SF. O XeF2 O…

A: Group theory explains the symmetry of the molecules based upon the symmetry elements. These elements…

Q: Can you please help me determine the σ framework and π MO Energy Diagram for this molecule?

A: The molecular orbitals are formed due to the mixing of the atomic orbitals of each of the atoms that…

Q: Bro 1) The orbital potential energies for the 4s and 4p of Br are -18.65 ev and -12.49ev,…

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Q: The lowest unoccupied molecular orbital (LUMO) of 1,3-butadiene is best represented by which of the…

A: 1,3-butadiene is molecule containing 2 double bond H2C=CH-CH=CH2 It has 4 pi electrons It has 4 pi…

Q: NO3- (d3h) MO diagram.. needed in irreducible form

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Q: The orbital potential energies for the 4s and 4p of Br are -18.65 ev and -12.49 ev, respectively.…

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Q: MO diagram (b

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Q: Which of the following statements is true regarding the T molecular orbitals of benzene? All six…

A: In the first question, we will see which statement is true about molecular orbital for Benzene. You…

Q: Which option correctly shows the result of a feasible addition of a radical to a n bond?

A: Free radical addition to alkene occurs in such a way that a more stable radical is formed.  Free…

Q: Use the inscribed polygon method to draw the molecular orbital diagram for the compounds shown…

A: Aromatic compound is more stable than antiaromatic compound... Aromatic compound follow (4n+2) pi…

Q: For each of these contour representations of molecular orbitals,identify (a) the atomic orbitals (s…

A: (a) Since s orbital has spherical in shape and p orbital has dumbbell shape. When two s orbitals are…

Q: Newman projections shows the mos

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Q: Suppose a linear molecule were constructed from three atoms, all of which are found in the second…

A: The second period elements has configuration – 2s1-2 and 2p1-61 shell in 2s and 3 shells in 2p

Q: Explain lowest unoccupied molecular orbital (LUMO) ?

A: There are two types of orbitals formed by the molecular interactions of atoms. HOMO( Highest…

Q: a. How many s bond orbitals are available for overlap with the vacant p orbital in the methyl…

A: The configuration of carbon = 1s2 2s2 2p2. After excitation of electron from 2s to 2p: Formation of…

Q: The most stable MO of 1,3,5-hexatriene and the most stable MO of benzene are shown here. Which…

A: Conjugated cycloalkenes has a property of stabilizing the molecule by the delocalization of pi…

Q: The bond in H–CI can be explained by the overlap between an s orbital from hydrogen and a p orbital…

A: (a)

Q: Which one of the following is correct regarding the symmetry of molecular orbitals? O Tg is g O Od…

A: "g"  and  "u"  Stands for the gerade and ungerade respectively. These are symmetry of molecular…

Q: Sketch the MO diagram for 1,3 budadiene. Identify the HOMO and LUMO along with all symmetric MO’s,…

A: MO diagrams: These diagram gives information regarding the linear combination of atomic orbitals and…

Q: Dinitrogen gas is a major contributor to the atmosphere and the air we breathe. Thankfully it…

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Q: Using symmetry, TOM and Orbital energy table Atomic, construct the OM Diagram for the following…

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Q: What is the MO diagram for Be2-

A: Atomic number of Be = 4 Electronic configuration = 1s2 2s2 Total number of electrons in Be2 = 8…

Q: (a) Draw the orbital picture for :C=0: showing the explicit overlap of the contributing AOs. (b) How…

A: Molecular orbitals are formed by the Linear Combination of Atomic Orbitals (LCAO). Number of…

Q: Can you give examples of molecules where we can find the following atoms in? Thanks! O…

A: Hybridization is defined as mixing of atomic orbitals so as to rehybridize to form new set of…

Q: The bond in Cl2 can be explained by the end-on overlap between two p AOs, as shown inthis diagram.…

A: The bond in Cl2 can be explained by the end-on overlap between two p AOs, as shown in this diagram.…

Q: Explain when sigma(-) and pie- notation used, and when is a-, e- and t-notation used in Mo energy…

A: The arrangement of molecular orbitals of increasing the energy level by the linear combination…

Q: Sketch the MO diagram for 1,3 butadiene

A: Draw MO diagram of 1,3 butadiene ?

Q: Which of these molecular orbitals is the Lowest in Energy? (click on an actual p orbital that is…

A: Number of nodes of molecular orbitals corresponds to it's energy. Node is the region in the…

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.