Verified Solution • 2025–26 Session moderate

QJEEM07Chb6b9: JEE Main 2007 Chemistry - Class 12 JEEM07Chb6b9 Solution: Identify the incorrect statement among the following :

Identify the incorrect statement among the following :

Multiple Choice Options

  • A d-Block elements show irregular and erratic chemical properties among themselves
  • B La and Lu have partially filled d orbitals and no other partially filled orbitals
  • C The chemistry of various lanthanoids is very similar
  • D 4f and 5f orbitals are equally shielded

Step-by-Step Verified Solution

4f orbital is nearer to nucleus as compared to 5f orbital therefore, shielding of 4f is more than 5f.

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