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HgCl(2) and I(2) both when dissolved...

`HgCl_(2)` and `I_(2)` both when dissolved in water containing `I^(-)` ions the pair of species formed is -

A

`HgI_(2),I^(-)`

B

`HgI_(4)^(2-),I_(3)^(-)`

C

`Hg_(2)I_(2),I^(-)`

D

`HgI_(2),I_(3)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
`HgCl_(2) + 2I^(-) to HgI_(2) + 2Cl^(-) overset(2I^(-))to [HgI_(4)]^(2-)`(soluble complex)
`I_(2) + I^(-) to I_(3)^(-)` (water soluble )
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