Coordination CompoundHard
Question
Which of the following is correct for both the following coordination compounds ?
(I) CoCl3.6NH3 and (II) PtCl4.5NH3
(I) CoCl3.6NH3 and (II) PtCl4.5NH3
Options
A.They give white precipitate with AgNO3 solution.
B.They have different primary valencies for the central metal ion
C.Both (A) and (B)
D.None of these
Solution
(I) [Co(NH3)6]Cl3 + 3Ag+ → 3AgCl↓ + [Co(NH3)6]3+
Co3+ → Primary valencies i.e. ionisable valency = 3.
(II) [Pt(NH3)5Cl]Cl3 + 3Ag+ → 3AgCl ↓ + [Pt(NH3)5Cl]3+
Pt4+ → Primary valencies = 4.
Co3+ → Primary valencies i.e. ionisable valency = 3.
(II) [Pt(NH3)5Cl]Cl3 + 3Ag+ → 3AgCl ↓ + [Pt(NH3)5Cl]3+
Pt4+ → Primary valencies = 4.
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