Which one of the following statements related to lanthanoms is incorrect?

Options

A. Europium shows +2 oxidation state
B. The basicity decreases as the ionic radius decreases from Pr to Lu
C. All the lanthanons are much more reactive than aluminium
D. Ce (+4) solutions are widely used as oxidizing agent in volumetric analysis

Answer

C

Explanation

The earlier number of lathenoide series are quiet reactive similar to calcium but with increasing atomic number they behave more like aluminium.