1.

Identify the incorrect statement among the following.A. 4f and 5f orbitals are equally shieldedB. d-Block elements show irregular and erratic chemical properties among them-selves.C. La and Lu have partially filled d-orbitals and no other partically filled orbitalsD. The chemistry of various lanthanoids is similar .

Answer» Correct Answer - A
4f orbitals are more shielded than 5f orbitals since these are chooser to the nucleus.


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