Which one of the following statements related to lanthanons is incorrect ?A. Europium shows +2 oxidation stateB. The basicity decreases as the ionic radius decreases from Pr to LuC. All the lanthanons are much more reactive than aluminiumD. Ce (+4) solutions are widely used as oxidizing agent in volumetric analysis

Which one of the following statements related to lanthanons is incorre

1.	Which one of the following statements related to lanthanons is incorrect ?A. Europium shows +2 oxidation stateB. The basicity decreases as the ionic radius decreases from Pr to LuC. All the lanthanons are much more reactive than aluminiumD. Ce (+4) solutions are widely used as oxidizing agent in volumetric analysis
Answer» Correct Answer - C The earlier number of lathenoide series are quiet reactive similar to calcium but with increasing atomic number they behave more like aluminium.

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