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An aqueous solution contains the followi...

An aqueous solution contains the following ions:
`Hg_(2)^(2+), Hg^(2+), Pb^(2+) and Cd^(2+)`. The addition of dil. HCl (6N) precipitates

A

`Hg_(2)Cl_(2)` only

B

`Hg_(2) Cl_(2) and PbCl_(2)`

C

`PbCl_(2)` only

D

`PbCl_(2) and HgCl_(2)`

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