Inorganic Chemistry
Why doesn't NH3 cause pairing in [Cr(NH3)6]Cl3?Being a strong field ligand,is it not supposed to cause pairing?
Why doesn't NH3 cause pairing in [Cr(NH3)6]Cl3?
Being a strong field ligand,is it not supposed to cause pairing?
1 Answer
Arun
Approved Tutor Answer7 Years agoCr3+ e- combo
Ar 3d3.
Hence there cant be even electron pairing of ligands, because, the 3d3 makes sure that there are two unfilled orbitals remaining. The pairing takes place for a strong ligand, only when the metal atom has 5+ electrons, so that it can pair e- acc to Pauli’s exclusion principle
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