1.

Which of the following is the most likely structure of `CrCl_3*6H_2O`, if `1//3` of total chlorine of the compound is precipitated by adding `AgNO_3` to its aqueous solution:A. (a) `CrCl_3*6H_2O`B. (b) `[Cr(H_2O)_3Cl_3](H_2O)_3`C. (c) `[CrCl_2(H_2O)_4]Cl_2H_2O`D. (d) `[CrCl*(H_2O)_5]Cl_2H_2O`

Answer» Correct Answer - C
`{:([CrCl_(2)(H_(2)O)_(4)]Cl.2H_(2)O),(" "darrAgNO_(3)),(" "AgCl ppt.):}`
Only one chloride ion is present out of coordination sphere.
Only those ions that are present out of coordination sphere participate in precipitation.


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