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13 Dec 2019

Which of the following statements is incorrect regardingmolecular orbital theory?

A. the combination of two atomic orbitals produces twomolecular orbitals.

B. the bond order is calculated in the same way as withLewis structures.

C. molecules with an even number of electrons will havebond orders which are whole numbers

D. combination of two 2p atomic orbitals maygive rise to either sigma(?) or pi(?) type molecular orbitals

E. all diatomic molecules with an odd number ofelectrons will be paramagnetic

***MUST SHOW ALL WORK

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Lelia LubowitzLv2

17 Dec 2019

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Somehow the answer to this is (4) but I dont see how that is possible so please EXPLAIN.

Which of the following statements relating to molecular orbital theory (MO) is incorrect?

(1) Combination of two atomic orbitals produces two molecular orbitals

(2) Combination of two 2p orbitals may result in either sigma or pi MOs

(3) A species with a bond order of zero will not be stable.

(4) Molecular orbitals are hybridizations of atomic orbitals.

(5) A diatomic molecule with an odd number of electrons will be paramagnetic

emeraldtortoise550

Which of the following statements relating to Molecular Orbital (MO) Theory is incorrect?

Combination of two 2p orbitals may result in either sigma() or pi() MOs.
A species with a bond order of zero will not be stable.
In a stable molecule having an even number of electrons, all electrons must be paired.
Combination of two atomic orbitals produces one bonding and one antibonding MO.
A bonding MO is lower in energy than the two atomic orbitals from which it is formed.

jadeelk940

Benzene is an organic chemical compound with the molecular formula C6H6. In the benzene molecule, carbon atoms form a ring with alternating single and double bonds connecting them. Thus, each individual carbon atom forms one ? bond with another carbon atom and one ? and one ? bond with another carbon atom. Each carbon atom also forms one ? bond with a hydrogen atom. Identify which types of orbitals overlap to form the bonds between the atoms in a benzene molecule. Drag the appropriate labels to their respective targets.

Attached is picture. Please explain/show work, will give 5 stars to correct answer, thank you very much! :)

Chemical bonds are formed by linear combinations of atomic orbital's. These atomic orbital's should have compatible energies. An axial overlap of these orbitals results in the formation of a sigma bond, whereas a lateral overlap results in the formation of a pi bond. When two atomic orbitai's on different atoms approach each other, two molecular orbital's are formed: one bonding molecular orbital and one antibonding molecular orbital. The bonding molecular orbital has a lower energy than the corresponding atomic orbital's: antibonding orbital's have higher energies than the corresponding atomic orbital's. An example using the hydrogen molecule is shown here. However, the same rule applies to systems with multiple atomic orbital's. For each atomic orbital that overlaps, one molecular orbital must form. In the diagram below. 1s orbitais from two hydrogen atoms combine to form one bonding sigma1 orbital and one antibonding orbital. The total number of bonding and antibonding orbital's is always equal to the number of orbital's that overlap. Similarly, molecular orbital's can also be formed by the overlapping of hybrid orbital's. The hybrid orbital's are formed by the linear combination of different atomic orbital's of nearly equal energy on the same atom. The atomic orbital's of nearly equal energy undergo a process of mixing and reorientation to form new orbital's of lower energy. This process is called hybridization For example, hybridization of one s and two p orbital's on an atom forms three sp2 hybrid orbital's. Benzene is an organic chemical compound with the molecular formula C6H6. In the benzene molecule, carbon atoms form a ring with alternating single and double bonds connecting them. Thus, each individual carbon atom forms one sigma bond with another carbon atom and one sigma and one pi bond with another carbon atom. Each carbon atom also forms one sigma bond with a hydrogen atom. Identify which types of orbital's overlap to form the bonds between the atoms in a benzene molecule.

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	A.	the combination of two atomic orbitals produces twomolecular orbitals.
	B.	the bond order is calculated in the same way as withLewis structures.
	C.	molecules with an even number of electrons will havebond orders which are whole numbers
	D.	combination of two 2p atomic orbitals maygive rise to either sigma(?) or pi(?) type molecular orbitals
	E.	all diatomic molecules with an odd number ofelectrons will be paramagnetic ***MUST SHOW ALL WORK