JEE Main 2007Annual, Paper 1ChemistryEasyd- and f-Block Elements158× since 2002Identify the incorrect statement among the following :AOption A. d-Block elements show irregular and erratic chemical properties among themselvesBOption B. La and Lu have partially filled d orbitals and no other partially filled orbitalsCOption C. The chemistry of various lanthanoids is very similarDOption D. 4f and 5f orbitals are equally shieldedCheckSkip · show solution