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Coordination Compounds question

2023 · Q111
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Coordination Compounds question

2023 · Q111

NEETChemistryCoordination CompoundsMCQ+4 / −1

Which of the following forms a set of complex and a double salt, respectively?

  1. A
    CuSO4⋅5H2O\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}CuSO4​⋅5H2​O and CuCl2,4NH3\mathrm{CuCl}_2, 4 \mathrm{NH}_3CuCl2​,4NH3​
  2. B
    PtCl2⋅2NH3\mathrm{PtCl}_2 \cdot 2 \mathrm{NH}_3PtCl2​⋅2NH3​ and PtCl4⋅2HCl\mathrm{PtCl}_4 \cdot 2 \mathrm{HCl}PtCl4​⋅2HCl
  3. C
    K2PtCl2⋅2NH3\mathrm{K}_2 \mathrm{PtCl}_2 \cdot 2 \mathrm{NH}_3K2​PtCl2​⋅2NH3​ and KAl(SO4)2⋅12H2O\mathrm{KAl}\left(\mathrm{SO}_4\right)_2 \cdot 12 \mathrm{H}_2 \mathrm{O}KAl(SO4​)2​⋅12H2​O
  4. D
    NiCl2⋅6H2O\mathrm{NiCl}_2 \cdot 6 \mathrm{H}_2 \mathrm{O}NiCl2​⋅6H2​O and NiCl2(H2O)4\mathrm{NiCl}_2\left(\mathrm{H}_2 \mathrm{O}\right)_4NiCl2​(H2​O)4​
View written solutionFree

Correct answer: C

Complex salt is $$\mathrm{K}_2\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$$

Double salt is $$\mathrm{KAl}\left(\mathrm{SO}_4\right)_2 \cdot 12 \mathrm{H}_2 \mathrm{O}$$ (potash alum)

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