Question

What molecular orbital theory?

Answer 1

 molecular orbital(MO) theory is a method for determining molecular structure in which electrons are not assigned to individual bonds between atoms, but are treated as moving under the influence of the nuclei in the whole molecule.

Answer 2

Answer:

1)According to valence bond theory O2 is diamagnetic but practically O2 is paramagnetic therefore valence bond theory was fed and molecular orbital theory was formed.

2) molecular orbital theory gives accurate description of electronic structure of molecule.

3) this theory does not concentrate on individual atoms. It considers the molecule as a whole rather than and atom for the bonding.

4) Accordingly, molecular orbital is the property of a molecule similar to what an atomic orbital is to an atom. Hence, molecular orbital can be depicted through a square of wave function that gives the probability of finding an electron within a certain region of space in a molecule. Like atomic orbitals, molecular orbitals have energy levels and definite ships. They also contain maximum two electrons with opposite spins.

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