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Coordination Compounds — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds1 Mark
MCQ
Example for a coordination compound is $.......$
  • A
    $ \mathrm{KCl} \cdot \mathrm{MgCl}_2 \cdot 6 \mathrm{H}_2 \mathrm{O} $
  • ✓
    $ \mathrm{K}_2 \mathrm{SO}_4 \mathrm{Al}_2\left(\mathrm{SO}_3\right) 24 \mathrm{H}_2 \mathrm{O} $
  • C
    $ \mathrm{CoCl}_3 \cdot 6 \mathrm{NH}_3 $
  • D
    $ \mathrm{FeSO}_4 \cdot\left(\mathrm{NH}_4\right) 2 \mathrm{SO}_4 \cdot 6 \mathrm{H}_2 \mathrm{O} $
✓

Answer

Correct option: B.
$ \mathrm{K}_2 \mathrm{SO}_4 \mathrm{Al}_2\left(\mathrm{SO}_3\right) 24 \mathrm{H}_2 \mathrm{O} $
Carnallite$:\ \mathrm{KCl} . \mathrm{MgCl}_2 .6 \mathrm{H}_2 \mathrm{O}$
Alum$:\ \mathrm{K}_2 \mathrm{SO}_4 \mathrm{Al}_2\left(\mathrm{SO}_3\right) 24 \mathrm{H}_2 \mathrm{O}$
Ferrous ammonium sulphate: $\left(\mathrm{NH}_4\right) 2 \mathrm{Fe}\left(\mathrm{SO}_4\right) 26 \mathrm{H}_2 \mathrm{O}$.
All are double salts.
Only $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right].\mathrm{Cl}_3$ is complex compound.

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