Chemistry - Complete d-block Question with Solution | TestHub

Copper is transition metal in +2 state

Highly negative ${\Delta }_{hyd}{H}^{\Theta }$ for Cu²⁺ as compared to Cu⁺

Electron configuration of copper in +2 state is $[\mathrm{Ar}]3{\mathrm{d}}^{9}4{\mathrm{s}}^0$

Copper gives coloured compounds in +2 state