1.

Which of the following is most likely structure of `CrO_(3).6H_(2)O` if `1//3` of total chlorine of the compound is precipitated by adding `AgNO_(3)` to its aqueous solution ?A. `CrCl_(3).6H_(2)O`B. `[Cr(H_(2)O)_(3)Cl_(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» Correct Answer - C
Out of 3 Cl atoms, olny one Cl atom is ionisable. The other two Cl atoms are part of coordination sphere . Hence its structure is `[CrCl_(2)(H_(2)O_(4)]Cl.2H_(2)O`


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