Match List-I with List-II (tetrahedral crystal field d-electron configurations):

(A) (B) (C) (D)

with (I) (II) (III) (IV)

| List-I (Complex) | List-II (d-electron config) |
|---------------

Question

Match List-I with List-II (tetrahedral crystal field d-electron configurations):

(A)  (B)  (C)  (D)

with (I)  (II)  (III)  (IV)

| List-I (Complex) | List-II (d-electron config) |
|------------------|-----------------------------|
| (A)  () | (III)  |
| (B)  () | (I)  |
| (C)  () | (IV)  |
| (D)  () | (II)  |

Canvas Classes · Accepted Answer

Strategy:
 Assign the d-electron count for each metal ion and distribute them according to tetrahedral crystal field splitting ( lower,  higher).

Step 1: Determine metal oxidation states and d-count
- (A) :  has a  configuration.
- (B) :  has a  configuration.
- (C) :  has a  configuration.
- (D) :  has a  configuration.

Step 2: Apply tetrahedral splitting (high spin for weak/oxo ligands)
- (A) . (Matches III).
- (B) . (Matches I).
- (C) . (Matches IV).
- (D) . (Matches II).

Step 3: Compile m

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