Chemistry - Complete d-block Question with Solution | TestHub

Colour in transition metal compounds in attributed to incomplete (n – 1) d subshell as d-d transitions become possible in incomplete d-subshell. For e.g.,$\mathrm{C}{\mathrm{r}}^{3+},\mathrm{F}{\mathrm{e}}^{2+},\mathrm{C}{\mathrm{u}}^{2+}$etc.