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AP EAMCET202124 Aug 2021Morning ShiftChemistryCoordination CompoundsActual

Which among the following doesn't form a white precipitate with AgNO ₃ solution?

Options

  1. A[ Co ( NH ₃ )₆ ] Cl ₃
  2. B[ Co ( NH ₃ )₅ Cl ] Cl ₂
  3. C[ Co ( NH ₃ )₄ Cl ₂ ] Cl ₂
  4. D[ Co ( NH ₃ )₃ Cl ₃ ]

Correct answer

D. [ Co ( NH ₃ )₃ Cl ₃ ]

Step-by-step solution

The [ CoCl ₃ ( NH ₃ )₃ ] complex contains elements of symmetry and is optically inactive. It does not give white precipitate with silver nitrate solution as chlorine is present in coordination sphere.

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