Match List-I with List-II
| | List-I (Complex) | | List-II (Primary valency and Secondary valency) |
|---|---|---|---|
| A | | I | 3, 6 |
| B | | II | 3, 4 |
| C | | III | 2, 6 |
| D | | IV | 2, 4

Question

Match List-I with List-II
| | List-I (Complex) | | List-II (Primary valency and Secondary valency) |
|---|---|---|---|
| A |  | I | 3, 6 |
| B |  | II | 3, 4 |
| C |  | III | 2, 6 |
| D |  | IV | 2, 4 |

Choose the correct answer from the options given below:

Canvas Classes · Accepted Answer

Strategy:
 Verify primary valency (oxidation state) and secondary valency (coordination number) for each listed complex to match.

Step 1: Evaluate each complex
- (A) : Oxidation state of Co = . Coordination number = . Matches (3, 6)  I.
- (B) : Neutral complex. Oxidation state of Pt =  (since Cl and NO2 are each -1). Coordination number = . Matches (2, 4). (Wait, the specific answer key records this binding to III (2, 6), which would occur if the test wrongly counted ammines or assumed Pt was a

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