Question

what is MOT molecular orbital theory​

Answer 1

$\textbf{\large{ \underline{Molecular Orbital Theory [ MOT ] : -}}}$

VBT(Valence Bond Theory) explains the shape of bonding of many molecules successfully but it does not explain paramagnetic behaviour of ${O}_{2}$ bonding in electron deficient molecules and various other properties.

In order to explain these properties of compound, Mulliken Huckel and Hund developed the theory which is based on the Schrodinger wave interpretation of electrons, which is known as Molecular Orbital Theory.

$\textbf{\large{ \underline{ Features of MOT: - }}}$

The main feature of MOT are as follows—

molecular orbitals are formed by linear combination of atomic orbitals (LCAO) of nearly same energy of proper symmetry.

There are two type of LCAO :

(1) Additive Combination - When the atomic orbitals of same wave function combination with each other, it leads to the information of molecular orbital & formation of Bonding Molecular Orbitals (BMO) , this is known as additive combination .

(2) Subtractive Combination - When the atomic orbitals of opposite wave function combined with each other, they leads to the formation of Antibonding Molecular Orbital (AMO) , this is known as Subtractive Combination.

Answer 2

Answer:

Explanation:

According to these theory when two atomic orbital came close to each other and lose their electron due to mutually overlap between atoms to fo rm new orbital is known as Molecular orbitals

++combination tells about bonding(attractive between two atomic orbitals)

--combination tells about anti bonding there would not be any attraction there