Match the following:
$\begin{array}{ll}\text { List I } & \text { List II }\end{array}$
1. $\mathrm{Sc}^{3+}=0$
(1) $5.92$ B.M.
2. $\mathrm{V}^{2+}=3$
(2) $1.73$ B.M.
3. $\mathrm{Fe}^{3+}=5$
(3) Zero
4. $\mathrm{Cu}^{2+}=1$
(4) $3.87 \mathrm{~B} . \mathrm{M}$.
The correct matching is:
$\begin{array}{llll}1 & 2 & 3 & 4\end{array}$
(a) (2) (1) (3) (4)
(b) (3) (4) (2) (1)
(c) (4) (1) (2) (3)
(d) (3) (4) (1) (2)