MCQ
Identify structure of $B$


- ✓

- B

- C

- D







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$Zn(s) + Cu^{2+}(M) \to Zn^{2+}(M') + Cu(s);$ $E^o _{cell} = 1.10\,V$
$X$-axis :$log_{10}$ $\frac{{[Z{n^{2 + }}]}}{{[C{u^{2 + }}]}}$, $Y$ -axis : $E_{cell}$

| $ \ce{LIST - I} ($Complex ion$)$ | $\ce{LIST - II} ($Electronic Configuration$)$ | ||
| $A.$ | $[Cr(H_{2}O)_{6}]^{3+}$ | $I.$ | $t_{2g}^{2}e_{g}^{0}$ |
| $B.$ | $[Fe(H_{2}O)_{6}]^{3+}$ | $II.$ | $t_{2g}^{3}eg^{0}$ |
| $C.$ | $[Ni(H_{2}O)_{6}]^{2+}$ | $III.$ | $t_{2g}^{3}eg^{2}$ |
| $D.$ | $[V(H_{2}O)_{6}]^{3+}$ | $IV.$ | $t_{2g}^{6}eg^{2}$ |