Question

Why only transition metals known to form π complexes?

Answer 1

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Transition metal form complexes due to availability of vacant d-orbitals ____________________________________________________________
so they can form complex with ligands. _____________________________________________________________
Ligands have vacant Π orbitals. ______________________________________________________________
The transition metals form Π complexes because they have t2g of correct ______________________________________________________________symmetry which allows them to overlap with the vacant Π orbitals of these _______________________________________________________________ligands, forming Π bonds. ______________________________________________________________
This bonding is known as back bonding._______________________________________________________
Hence, the presence of d-orbitals of proper symmetry in transition metals allows the formation of p complexes. ______________________________________________________________

Answer 2

Explanation:

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