A) Greater shielding of 5d electron by 4f electrons
B) Poorer shielding of 5d electron by 4f electrons
C) Effective shielding of one of 4f electrons by another in the sub-shell
D) Poor shielding of one of 4f electron by another in the sub-shell
Correct Answer: D
Solution :
Lanthanide contraction is due to poor shielding of one of 4f electron by another in the sub-shell.You need to login to perform this action.
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