JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
Match List \(I\) with List \(II\).
| List \(-I\) | List \(-II\) |
| \(A.\) \(\mathrm{K}_2\left[\mathrm{Ni}(\mathrm{CN})_4\right]\) | \(I.\) \(\mathrm{sp}^3\) |
| \(B.\) \(\left[\mathrm{Ni}(\mathrm {CO})_4\right]\) | \(II.\) \(\mathrm{sp}^3 \mathrm{~d}^2\) |
| \(C.\) \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right) _6\right] \mathrm{Cl}_3\) | \(III.\) \(\mathrm{dsp}^2\) |
| \(D.\) \(\mathrm{Na}_3\left[\mathrm{CoF}_6\right]\) | \(IV.\) \(\mathrm{d}^2 \mathrm{sp}^3\) |
- A \(A-III, B-I, C-II, D-IV\)
- B \(A-III, B-II, C-IV, D-I\)
- C \(A-I, B-III, C-II, D-IV\)
- D \(A-III, B-I, C-IV, D-II\)
Answer & Solution
Correct Answer
(D) \(A-III, B-I, C-IV, D-II\)
Step-by-step Solution
Detailed explanation
\begin{gathered}+2 \\ \text { (A) } \mathrm{K}_2\left[\mathrm{Ni}(\mathrm{CN})_4\right] \\ \mathrm{Ni}^{2+}:[\mathrm{Ar}] 3 \mathrm{~d}^8 4 \mathrm{~s}^{\circ},\left(\mathrm{CN}^{-} \text {is S.F.L) }\right. \\ \text { Pre hybridization state of } \mathrm{Ni}^{+2}\end{gathered}…
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