Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following is not a consequence of the lanthaniod contraction?
A
Almost identical radii of 
and 
.
and . B
Ionization energies of most 
elements is higher than corresponding 
elements.
elements is higher than corresponding elements. C
Ionization energies of 
.
. D
Among the post lanthanides, electron affinity is unusually high.
Text Solution
Verified by ExpertsThe correct answer is:
C
I.E of 
due to stable configuration
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