Given that 1 mol of NiCl2.6H2O with excess AgNO3 precipitates 2 mols of AgCl, what is the secondary valence of Ni?(a) 1(b) 2(c) 4(d) 6The question was posed to me during an internship interview.I need to ask this question from Werner’s Theory of Coordination Compounds in portion Coordination Compounds of Chemistry – Class 12

Given that 1 mol of NiCl2.6H2O with excess AgNO3 precipitates 2 mols o

1.	Given that 1 mol of NiCl2.6H2O with excess AgNO3 precipitates 2 mols of AgCl, what is the secondary valence of Ni?(a) 1(b) 2(c) 4(d) 6The question was posed to me during an internship interview.I need to ask this question from Werner’s Theory of Coordination Compounds in portion Coordination Compounds of Chemistry – Class 12
Answer» The correct CHOICE is (d) 6 To explain: After the reaction, it will form [NI(H2O)6]^2- and 2Cl^– in which the former is the COORDINATION complex. There are six water molecules bound to Ni, which makes the secondary valence of Ni as 6.

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