AP EAMCET · Chemistry · Coordination Compounds
A coordinate complex contains \(\mathrm{Co}^{3+}, \mathrm{Cl}^{-}\)and \(\mathrm{NH}_3\). When dissolved in water, one mole of this complex gave a total of 3 moles of ions. The complex is
- A \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3\)
- B \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2\)
- C \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl}\)
- D \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_3 \mathrm{Cl}_3\right]\)
Answer & Solution
Correct Answer
(B) \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2\)
Step-by-step Solution
Detailed explanation
When the complex dissolved in water, it gives three ions, which shows that two \(\mathrm{Cl}^{-}\)ions are present outside the coordination sphere. \(\therefore\) The formula of the complex is…
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