Pair of transition metal ions having the same | vedclass

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(A) To determine the number of unpaired electrons,we write the electronic configuration of each ion:   $Ion$ $Electronic \ Configuration$ $Unpaired \

Vedclass · Accepted Answer

$V^{2+}, Co^{2+}$

Vedclass · Answer

(A) To determine the number of unpaired electrons,we write the electronic configuration of each ion:   $Ion$ $Electronic \ Configuration$ $Unpaired \ e^-$   $V^{2+}$ $[Ar] 3d^3$ $3$   $Co^{2+}$ $[Ar] 3d^7$ $3$   $Ti^{2+}$ $[Ar] 3d^2$ $2$   $Fe^{3+}$ $[Ar] 3d^5$ $5$   $Cr^{2+}$ $[Ar] 3d^4$ $4$   $Ti^{3+}$ $[Ar] 3d^1$ $1$   $Mn^{2+}$ $[Ar] 3d^5$ $5$   Comparing the pairs: $A. V^{2+} (3)$ and $Co^{2+} (3)$ have the same number of unpaired electrons. Thus,the correct option is $A$.

Pair of transition metal ions having the same number of unpaired electrons is $:$

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