D-And F-Block Elements Ques 509

Question: In which of the following lanthanoids oxidation state +2 is most stable-

Options:

A) Ce

B) Eu

C) Tb

D) Dy

Show Answer

Answer:

Correct Answer: B

Solution:

Eu2+ has electronic configuration [Xe]4f7 hence stable due to half-filled atomic orbitals.



NCERT Chapter Video Solution

Dual Pane