Coordination Compounds Question 17
Question 17 - 2024 (31 Jan Shift 2)
Match List I with List II
| LIST - I | LIST - II | ||
|---|---|---|---|
| (Complex ion) | (Electronic Configuration) | ||
| A. | $\left[\mathrm{Cr}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{3+}$ | I. | $\mathrm{t}{2}{ }^{2} \mathrm{e}{\mathrm{g}}^{0}$ |
| B. | $\left[\mathrm{Fe}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{3+}$ | II. | $\mathrm{t}{2}{ }^{3} \mathrm{e}{\mathrm{g}}{ }^{0}$ |
| C. | $\left[\mathrm{Ni}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{2+}$ | III. | $\mathrm{t}_{2}{ }^{3} \mathrm{e}^{2}$ |
| D. | $\left[\mathrm{V}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{3+}$ | IV. | $\mathrm{t}_{2}{ }^{6} \mathrm{e}^{2}$ |
Choose the correct answer from the options given below :
(1) A-III, B-II, C-IV, D-I
(2) A-IV, B-I, C-II, D-III
(3) A-IV, B-III, C-I, D-II
(4) A-II, B-III, C-IV, D-I
Show Answer
Answer (4)
Solution
$\left[\mathrm{Cr}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{3+}$ Contains $\mathrm{Cr}^{3+}:[\mathrm{Ar}] 3 \mathrm{~d}^{3}: \mathrm{t}{2}^{3} \mathrm{~g}{\mathrm{g}}^{\circ}$
$\left[\mathrm{Fe}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{3+}$ Contains $\mathrm{Fe}^{3+}:[\mathrm{Ar}] 3 \mathrm{~d}^{5}: \mathrm{t}{2}^{3} \mathrm{~g}{\mathrm{g}}^{2}$
$\left[\mathrm{Ni}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{2+}$ Contains $\mathrm{Ni}^{2+}:[\mathrm{Ar}] 3 \mathrm{~d}^{8}: \mathrm{t}{2}^{6} \mathrm{~g}{\mathrm{g}}^{2}$
$\left[\mathrm{V}\left(\mathrm{H}{2} \mathrm{O}\right){6}\right]^{3+}$ Contains $\mathrm{V}^{3+}:[\mathrm{Ar}] 3 \mathrm{~d}^{2}: \mathrm{t}{2}^{2} \mathrm{e}{\mathrm{g}}^{\circ}$
