Chemistry - Complete d-block Question with Solution | TestHub

$\left[\text{Cr}\right({\text{H}}_2\text{O}{)}_6{]}^{2+}$have${\mathrm{\text{C}}\mathrm{\text{r}}}^{2+}$

${\mathrm{\text{C}}\mathrm{\text{r}}}^{2+}=3{\mathrm{\text{d}}}_{4}4\mathrm{\text{s}}°$(four unpaired electrons)

${\mathrm{\text{F}}\mathrm{\text{e}}}^{2+}=3{\mathrm{\text{d}}}_{6}4\mathrm{\text{s}}°$(in presence of weak ligand also have four unpaired electrons)