1.

Which of the following complex will give white ppt. with `BaCl_(2)` solution ?A. `[Cr(NH_(3))_(5)SO_(4)]Cl`B. `[Co(NH_(3))_(4)Cl_(2)]NO_(2)`C. `[Cr(NH_(3))_(5)Cl]SO_(4)`D. Both A and C

Answer» Correct Answer - C
`[Cr(NH_(3))_(5)Cl]SO_(4)hArr [Cr(NH_(3))_(5)Cl]^(2+) + SO_(4)^(2-)`
`SO_(4)^(2-)` ions form precipitate with `BaCl_(2)` solution
`SO_(4)^(2-) + BaCl_(2)(aq)rarr underset(ppt) (BaSO_(4))darr + 2Cl^(-)(aq)`


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