Which of the following ions is most stable in | vedclass

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(D) The stability of transition metal ions in aqueous solution depends on their electronic configuration and hydration energy.$Cr^{3+}$ has a $3d^3$ c

Vedclass · Accepted Answer

$_{24}Cr^{3+}$

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(D) The stability of transition metal ions in aqueous solution depends on their electronic configuration and hydration energy.$Cr^{3+}$ has a $3d^3$ configuration,which corresponds to a half-filled $t_{2g}$ orbital in an octahedral field,providing extra stability.$V^{3+}$ is $3d^2$,$Ti^{3+}$ is $3d^1$,and $Mn^{3+}$ is $3d^4$.Among these,$Cr^{3+}$ is the most stable in aqueous solution due to the stable $t_{2g}^3$ configuration.

Which of the following ions is most stable in aqueous solution?

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