SolutionHard
Question
In which case, van′t Hoff factor i remains unchanged ? [Assume common complexes of these ions]
Options
A.PtCl4 reacts with KCl
B.aq. ZnCl2 reacts with aq. NH3
C.aq. FeCl3 reacts with aq. K4[Fe(CN)]6
D.KMnO4 reduced to MnO2 in alkaline medium (MnO2 a black ppt)
Solution
i remains unchanged when number of ions before and after complex ion remains constant.
Solute y Complex y
(a) PtCl4 5 K2[PtCl6] 3
(b) ZnCl2 3 Zn[(NH3)4]Cl2 3
Solute y Complex y
(a) PtCl4 5 K2[PtCl6] 3
(b) ZnCl2 3 Zn[(NH3)4]Cl2 3
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