Which one of the following statements related to lanthanons

Last updated: 7/3/2023

Which one of the following statements related to lanthanons is incorrect 1 Europium shows 2 oxidation state 2 The basicity decreases as the ionic radius decreases from pr to Lu 3 all the lanthanons are much more reactive than aluminium 4 Ce 4 solution are widely used as oxidizing agent in volumetric analysis