Which of the following is most likely structrure of `CrCI_(3).6H_(2)O` if `1//3` of total chlorine of the compound is precipitated by adding `AgNO_(3)` to its aqueous solution?

Options

A. `CrCl_(3).6H_(2)O`
B. `[CrCLl_(3)(H_(2)O)_(3)].(H_(2)O)_(3)`
C. `[CrCl_(2)(H_(2)O)_(4)]Cl.2H_(2)O`
D. `[CrCl(H_(2)O)_(5)]Cl_(2).H_(2)O`

Answer

C

Explanation

I.e. The complex consist of one free `Cl^(-)` ion.