Match List - I with List - II. Choose the correct answer from the...

Match List - I with List - II.

Choose the correct answer from the options given below :

Options

A(A) $-($ \mathrm{III} $),(\mathrm{B})-($ \mathrm{I} $),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-($ \mathrm{II} $)$
B(A) $-($ \mathrm{III} $),(\mathrm{B})-($ \mathrm{I} $),(\mathrm{C})-($ \mathrm{II} $),(\mathrm{D})-(\mathrm{IV})$
C(A) $-(\mathrm{IV}),(\mathrm{B})-($ \mathrm{II} $),(\mathrm{C})-($ \mathrm{III} $),(\mathrm{D})-($ \mathrm{I} $)$
D $(\mathrm{A})-($ \mathrm{II} $),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-($ \mathrm{I} $),(\mathrm{D})-($ \mathrm{III} $)$

A. (A) $-($ \mathrm{III} $),(\mathrm{B})-($ \mathrm{I} $),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-($ \mathrm{II} $)$

\begin{array}{lc}\mathrm{Sc}^{+3}=3 \mathrm{ d}^{\mathrm{o}} & \therefore \mu_{\text{spin }}=0 \\ \mathrm{ V}^{+2}=3 \mathrm{ d}^3 & \therefore \mu_{\text{spin }}=3.87 \mathrm{ B} \cdot \mathrm{M} . \\ \mathrm{Ni}^{+2}=3 \mathrm{ d}^8 & \therefore \mu_{\text{spin }}=2.84 \mathrm{ B} \cdot \mathrm{M} . \\ \mathrm{Ti}^{+3}=3 \mathrm{ d}^1 & \therefore \mu_{\text{spin }}=1.73 \text{ B.M. }\end{array}