Match List-I with List-II List-I List-II (Complex) (Primary valency and Secondary valency) (A) [Co(e — JEE Mains Chemistry Past Papers Chemistry Question
Question
Match List-I with List-II List-I List-II (Complex) (Primary valency and Secondary valency) (A) [Co(en)2Cl2]Cl (I) 6 (B) [Pt(NH3)2Cl(NO2)] (II) 4 (C) Hg[Co(SCN]4] (III) 6 (D) [Mg(EDTA)]2– (IV) 4 (A) (A)–(III), (B)–(I), (C)–(II), (D)–(IV) (B) (A)–(I), (B)–(III), (C)–(II), (D)–(IV) (C) (A)–(I), (B)–(IV), (C)–(II), (D)–(III) (D) (A)–(II), (B)–(III), (C)–(IV), (D)–(I)
Answer: C
💡 Solution & Explanation
Primary valency = oxidation state Secondary valency = Co-ordination number Complex Primary valency Secondary valency (A) [Co(en)2Cl2]Cl 6 (B) [Pt(NH3)2Cl(NO2)] 4 (C) Hg[Co(SCN]4] 4 (D) [Mg(EDTA)]2– 6
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