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Chemistry
For d-block elements, which of the following statement is incorrect:
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Q. For d-block elements, which of the following statement is incorrect:
NTA Abhyas
NTA Abhyas 2020
A
$d^{4}$ species, $Cr^{2 +}$ is strongly reducing while manganese (III) is strongly oxidizing.
B
Higher oxidation state of transition metals are stable in their oxides and fluorides.
C
Due to lanthanide contraction size of $Y$ and $La$ is almost same.
D
$d$ -block elements shows variable oxidation state.
Solution:
Due to lanthanide contraction size of $Y$ and $La$ is almost same.