Which of the following statement is incorrect?

Options

A. `La(OH)_3` is less basic than `Lu(OH)_3`
B. In lanthanide series ionic radius of decreases from `La^(3+) " to" Lu^(3+)` ion
C. La is actually an element of transition series rather than lanthanides
D. Atomic radius of Zr and Hf are same because of lanthanide contraction

Answer

A

Explanation

In langtanides , left of right basic nature decreases