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NTA Abhyas JEE Main2020Chemistryd and f Block ElementsPractice

Identify the incorrect statement among the following

Options

  1. Ad -block elements show irregular and erratic chemical properties among themselves.
  2. BLa and Lu have partially filled d -orbitals and no other partially filled orbital.
  3. CThe chemistry of various lanthanoids is very similar.
  4. D4 f and 5 f -orbitals are equally shielded.

Correct answer

D. 4 f and 5 f -orbitals are equally shielded.

Step-by-step solution

4 f and 5 f -belongs to different shell, experience different amount of shielding.

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