Chemistry - Complete d-block Question with Solution | TestHub

In ${\mathrm{Na}}_3{\mathrm{VO}}_4$, vanadium is present in +5 oxidation state. ${\mathrm{V}}^{5+}:3d^{0}4s^0$, does not have unpaired electron. Hence, ${\mathrm{Na}}_3{\mathrm{VO}}_4$, is colourless species.