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  3. Chemistry
  4. Which of the following ions has the same number of unpaired electrons as those present in V3+?

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Q. Which of the following ions has the same number of unpaired electrons as those present in $V^{3+}$?

KEAMKEAM 2015The d-and f-Block Elements

Solution:

$V ^{3+}$ has $3 d ^{2}$ outer electronic configuration with 2 unpaired electrons. $Ni ^{2+}$ has $3 d ^{8}$ outer electronic configuration with 2 unpaired electrons. Thus, $V ^{3+}$ and $Ni ^{2+}$ have same number of unpaired electrons.