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what is the valence bond theory


Sourya Dey 14th Mar, 2020
Answer (1)
Awanya Dabas 14th Mar, 2020

Hey!

Valence bond theory  or  VB theory  is a  theory  based on quantum mechanics that explains how chemical  bonding  works. In  valence bond theory  , the atomic orbitals of individual atoms are combined to form chemical  bonds  . The other major  theory  of chemical  bonding  is molecular orbital  theory  or MO  theory  .

Hope this answer helps!

2 Comments
Comments (2)
14th Mar, 2020
give its postulates
Reply
14th Mar, 2020
Virat Kohli Buna The postulates are:
1) Valence orbitals of atom overlap each other to form a bond.
2) A pair of electrons is present in overlapping orbitals.
3) Electron density is maximum around bonded atoms.
4) Degree of overlapping determines strength of the bond.
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