JEE Main 2005Annual, Paper 1ChemistryEasyd- and f-Block Elements158× since 2002The lanthanide contraction is responsible for the fact that :AOption A. Zr and Y have about the same radiusBOption B. Zr and Nb have similar oxidation stateCOption C. Zr and Hf have about the same radiusDOption D. Zr and Zn have the same oxidationCheckSkip · show solution
