Which of the following is not a consequence of the Lanthanoid contraction?
CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements
Problem
Which of the following is not a consequence of the Lanthanoid contraction?
(1) 5d series elements have a higher IE1 than 3d or 4d series
(2) Zr and Hf have a comparable size
(3) Zr and Hf occurs together in the earth crust in their minerals
(4) High density of the sixth period elements