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Chemistry
Identify the incorrect statement from the following:
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Q. Identify the
incorrect
statement from the following:
NEET
NEET 2020
The d-and f-Block Elements
A
Zirconium and Hafnium have identical radii of $160\, pm$ and $159\, pm$, respectively as a consequence of lanthanoid contraction
6%
B
Lanthanoids reveal only $+3$ oxidation state
64%
C
The lanthanoid ions other than the $f^{0}$ type and the $f^{14}$ type are all paramagnetic
21%
D
The overall decrease in atomic and ionic radii from lanthanum to lutetium is called lanthanoid contraction
9%
Solution:
Lanthanoids shows general oxidation state +3 but some elements can shows +2 as well as +4