Q.
Match List I (complex ions) with List II $\left(CFSE\right)$ and select the correct answer using the codes given below the lists:
List I
List II
(P)
$\left[Mn \left(H_{2}O\right)_{6}\right]^{2+}$
1.
$-0.6 \Delta_{O}$
(Q)
$\left[Cr \left(H_{2}O\right)_{6}\right]^{2+}$
2.
$-0.4 \Delta_{O}$
(R)
$\left[Fe \left(H_{2}O\right)_{6}\right]^{2+}$
3.
$0$
(S)
$\left[Cr \left(H_{2}O\right)_{6}\right]^{3+}$
4.
$-1.2 \Delta_{O}$
| List I | List II | ||
|---|---|---|---|
| (P) | $\left[Mn \left(H_{2}O\right)_{6}\right]^{2+}$ | 1. | $-0.6 \Delta_{O}$ |
| (Q) | $\left[Cr \left(H_{2}O\right)_{6}\right]^{2+}$ | 2. | $-0.4 \Delta_{O}$ |
| (R) | $\left[Fe \left(H_{2}O\right)_{6}\right]^{2+}$ | 3. | $0$ |
| (S) | $\left[Cr \left(H_{2}O\right)_{6}\right]^{3+}$ | 4. | $-1.2 \Delta_{O}$ |
Coordination Compounds
Solution:
Correct answer is (a) $(P)-(3), (Q)-(1), (R)-(2), (S)-(4)$
