In which of the following pairs, both the elements do not have $(n-1) d^{10} n s^2$ configuration?

MnO exhibits

The transition element $(\approx 5 \%)$ present with lanthanoid metal in misch metal is

Match the following.

I. $\mathrm{Zn}^{2+}\quad$ (i) $d^8$ configuration

II. $\mathrm{Cu}^{2+}\quad$ (ii) Colourless

III. $\mathrm{Ni}^{2+}\quad$ (iii) $\mu=1.73 \mathrm{BM}$