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Why do lanthanides have less tendency to form complexes and are less basic when compared to actinoid elements?
Dear shailja,
They do not form Ln=O or Ln≡N multiple bonds of the type known for many transitionmetals and certain actinides.Unlike the actinides, they do not form stable carbonyls and have (virtually) no chemistry in the 0 oxidation state.The 4f orbitals in the Ln3+ ion do not participate directly in bonding, being well shielded by the 5s2 and 5p6 orbitals. Their spectroscopic and magnetic properties are thus largely uninfluenced by the ligand.
We are all IITians and here to help you in your IIT JEE preparation. All the best. If you like this answer please approve it.... win exciting gifts by answering the questions on Discussion Forum Sagar Singh B.Tech IIT Delhi
We are all IITians and here to help you in your IIT JEE preparation. All the best.
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Sagar Singh
B.Tech IIT Delhi
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