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Chemistry
Which one of the following statements related to lanthanons is incorrect ?
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Q. Which one of the following statements related to lanthanons is incorrect ?
NEET
NEET 2016
The d-and f-Block Elements
A
Europium shows +2 oxidation state
9%
B
The basicity decreases as the ionic radius decreases from Pr to Lu
15%
C
All the lanthanons are much more reactive than aluminium
65%
D
Ce (+4) solutions are widely used as oxidizing agent in volumetric analysis
12%
Solution:
The earlier number of lanthenoide series are quiet reactive similar to calcium but with increasing atomic number they behave more like aluminium