1
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
Which of the following statements regarding Lanthanides is false?
A
All lanthanides are solid at room temperature
B
Their usual oxidation state is +3
C
They can be separated from one another by ion-exchange method
D
Ionic radii of trivalent lanthanides steadily increases with increase in atomic number
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