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

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

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
`HgCl_(2) + 4l^(-) (aq) rarr Hgl_(4)^(2-) (aq) + 2Cl^(-) (aq) l_(2) (s) + l^(-)(aq) rarr l_(3)^(-) (aq)`
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