1.

Gradual addition of KI solution to Bi(NO_(3))_(3) solution initially produces a dark brown precipitate which dissolves in excess of KI to give a clearyellow solution.In the above observation, the brown ppt is

Answer»

`Cl_(2)`<BR>`I_(2)`
`Br_(2)`
`F_(2)`

Solution :`I_(2)^(-)` - dissolve in `Bi(NO_(3))_(3)` solution produce dark brown ppt. Which dissolve in EXCESS ICI give yellow SOLVE.


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