Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which one of the following statements related to lanthanoids is incorrect?
A
Europium shows 
oxidation state.
oxidation state.
B
The basicity decrease as the ionic radius decreases from 
to 
to
C
All the Lanthanons are much more reactive than aluminum.
D
solutions are widely used as oxidising agent in volumetric analysis.
Text Solution
Verified by ExpertsThe correct answer is:
C
The first few members are quite reactive just like calcium. However with increasing atomic number, their behaviour becomes similar to that of aluminum.
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