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Gradual addition of KI solution of Bi(NO...

Gradual addition of `KI` solution of `Bi(NO_(3))_(3)` solution intially produces a dark brown precipitate which dissolves in excess of `KI` to give a clear yellow solution. Write chemical eqautions for the above reactions.

A

`I_(2)`

B

`KI_(3)`

C

`Bi(OH)_(2)`

D

`Bi(OH)(NO_(3))_(2)`

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The correct Answer is:
B
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