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Karnataka Board PUCPUC Science 2nd PUC Class 12

A coordination compound CrClX3⋅4HX2O precipitates silver chloride when treated with silver nitrate. The molar conductance of its solution corresponds to a total of two ions. Write structural formula

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Question

A coordination compound \[\ce{CrCl3.4H2O}\] precipitates silver chloride when treated with silver nitrate. The molar conductance of its solution corresponds to a total of two ions. Write structural formula of the compound and name it.

Short/Brief Note
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Solution

If it forms silver chloride then there is one free chlorine atom outside the coordination sphere. The structural formula has to be \[\ce{[Cr(H2O)4Cl2]Cl}\]. The name of this complex is tetraaquadichlorido chromium (III) chloride.

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Chapter 9: Coordination Compounds - Exercises [Page 124]

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NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 9 Coordination Compounds
Exercises | Q III. 25. | Page 124

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