state gov BSSC Laboratory Assistant Mock Test Series 2025 Chemistry d And f - Block Elements The Inner Transition Elements (f-Block)
Which of the following statement concerning lanthanides is false?
1
lanthanides are separated from one another by ion-exchange method
2
Ionic radii of trivalent lanthanides steadily increases with increase in atomic number
3
All lanthanides are highly dense metals
4
The most common oxidation state of lanthanides is +3.