JEE Main 2025 — Coordination Compounds Question with Solution
From: JEE Main 2025 (Online) 7th April Evening Shift
Question
Match List - I with List - II.
| List - I (Complex) | List - II (Primary valency and Secondary valency) |
|---|---|
| (A) [Co(en)2Cl2]Cl | (I) 3, 6 |
| (B) [Pt(NH3)2Cl(NO2)] | (II) 3, 4 |
| (C) Hg [Co(SCN)4] | (III) 2, 6 |
| (D) [Mg (EDTA)]2− | (IV) 2, 4 |
Choose the correct answer from the options given below :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
Step-by-step explanation
Primary valency Oxidation state
Secondary valency Co-ordination number
| Complex | Primary valency | Secondary | |
|---|---|---|---|
| (A) | 3 | 6 | |
| (B) | 2 | 4 | |
| (C) | 3 | 4 | |
| (D) | 2 | 6 |
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This is a previous-year question from JEE Main 2025, covering the Coordination Compounds chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.