A) \[PtC{{l}_{4}}\] reacts with aq. KCl
B) aq.\[ZnC{{l}_{2}}\] reacts with aq. \[N{{H}_{3}}\]
C) aq.\[FeC{{l}_{3}}\] reacts with aq. \[{{K}_{4}}{{[Fe(CN)]}_{6}}\]
D) \[KMn{{O}_{4}}\] reduced to \[Mn{{O}_{2}}\] in alkaline Medium
Correct Answer: B
Solution :
[b] Remains unchanged when number of ions before and after complex ion remains constant.| Solute | y | Complex | y | |
| [a] | \[PtC{{l}_{4}}\] | 5 | \[{{K}_{2}}[PtC{{l}_{6}}]\] | 3 |
| [b] | \[ZnC{{l}_{2}}\] | 3 | \[Zn{{[N{{H}_{3}})}_{4}}]C{{l}_{2}}\] | 3 |
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