Cuprous ion is colourless, while cupric ion is coloured because
Both have unpaired electrons in $d$-orbital
Cuprous ion has a completed $d$-orbital and cupric ion has an incomplete $d$-orbital
Both have half-filled $p$and $d$-orbitals
Cuprous ion has incomplete $d$-orbital and cupric ion has a completed $d$-orbital
Out of $Cu_2Cl_2$ and $CuCl_2$, which is more stable and why ?
Out of $\mathrm{Cu}_{2} \mathrm{Cl}_{2}$ and $\mathrm{CuCl}_{2}$, which is more stable and why ?
In first transition series, the melting point of $Mn$ is low because
All $Zn( +II)$ compounds are white because
Nickel steel contain $\%$ of $ Ni$