JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
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 :
- A (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
- B (A)-(I), (B)-(IV), (C)-(II), (D)-(III)
- C (A)-(I), (B)-(III), (C)-(II), (D)-(IV)
- D (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
Answer & Solution
Correct Answer
(B) (A)-(I), (B)-(IV), (C)-(II), (D)-(III)
Step-by-step Solution
Detailed explanation
Primary valency \(=\) Oxidation state Secondary valency \(=\) Co-ordination number Complex Primary Valency Secondary Valency (A) [Co(en)2Cl2]Cl 3 6 (B) [Pt(NH3)2Cl(NO2)] 2 4 (C) Hg[Co(SCN)4] 3 4 (D) [Mg(EDTA)]2- 2 6
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