QJEEM24Ch672a: JEE Main 2024 Chemistry - Class 12 JEEM24Ch672a Solution: Total number of unpaired electrons in the complex ions and is…

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}: \mathrm{Co}^{3+}: \mathrm{t}_{2 \mathrm{~g}}^6 \mathrm{e}_{\mathrm{g}}^0: \mathrm{n}=0$

$\left[\mathrm{NiCl}_4\right]^{2-}: \mathrm{Ni}^{2+}: t_{2 \mathrm{~g}}^6 \mathrm{e}_{\mathrm{g}}^2: \mathrm{n}=2$