Most stable cation in aqueous medium is - Vidyadip

MCQ

Most stable cation in aqueous medium is

A
$Cr^{2+}$
B
$V^{3+}$
✓
$Cr^{3+}$
D
$Mn^{2+}$

✓

Answer

Correct option: C.

$Cr^{3+}$

c
$Cr ^{3+}$ has a $3 d^3 4 s ^0$ configuration with an exactly half-filled $t_{2 g}^3$ is thus the most stable ion in the aqueous medium.

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