JEE Mains · Chemistry · STD 11 - 4. Chemical bonding and molecular structure
Match List - I with List - II.
| List - I (Complex) | List - II (Hybridisation Magnetic characters) |
| (A) \(\left[\mathrm{MnBr}_4\right]^{2-}\) | (I) \(d^2 s^3\) diamagnetic |
| (B) \(\left[\mathrm{FeF}_6\right]^{3-}\) | (II) \(\mathrm{sp}^3 \mathrm{~d}^2\) paramagnetic |
| (C) \(\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}\) | (III) \(\mathrm{sp}^3\) diamagnetic |
| (D) \(\left[\mathrm{Ni}(\mathrm{CO})_4\right]\) | (IV) \(\mathrm{sp}^3\) paramagnetic |
- A (A) \(-(\mathrm{IV}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{III})\)
- B \((\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{II}),(\mathrm{D})-(\mathrm{IV})\)
- C (A) \(-(\mathrm{IV}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{II}),(\mathrm{D})-(\mathrm{III})\)
- D \((\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})\)
Answer & Solution
Correct Answer
(A) (A) \(-(\mathrm{IV}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{III})\)
Step-by-step Solution
Detailed explanation
\(\begin{aligned} & \text { (A) }\left[\mathbf{M n B r}_4\right]^{2-} \\ & \mathrm{Mn}^{+2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^5 \end{aligned}\) In presence of ligand field \(\Rightarrow \mathrm{sp}^3\) hybridization, paramagnetic in nature (B)…
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