1. Tardigrade
  2. Question
  3. Chemistry
  4. Identify the incorrect statement among the following

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Q. Identify the incorrect statement among the following

AIEEEAIEEE 2007The d-and f-Block Elements

Solution:

4f and 5f belongs to different energy levels, hence the shielding effect is on them is not the same. Shielding of 4f is more than 5f.
Hence (4) is correct.