Question

Difference between crystal field theory and valence bond theory

Answer 1

1.Valence band theory use hybrid orbitals and electron pairs for describe bonding .
2. the bond is considered as the metallic 
3. All the 5d orbital are not degenerates .

1.Crystal field theory consider metal ligand bond to be metallic .
2.it says that ligand is negatively charged and surround positively charged central metal atom .
3. all the 5 d orbitals of the transition metal are degenerates .

Answer 2

The word VBT is described as valence bond theory. It is an assumption utilized to explain the development of diverse synthetic bonds within atoms. This approach demonstrates the coincidental or mixing of atomic orbitals to create chemical bonds. The word CFT described as Crystal field theory. It is a pattern that is intended to demonstrate the rupture of electron shells of equivalent energy of d or f of electron orbitals due to the static electric field generated by a encompassing anion  The fundamental distinction among VBT and CFT is that VBT demonstrates the mixing of orbitals on the other hand  CFT demonstrates the splitting of orbitals.