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The reagment (s) that can selectively p...

The reagment (s) that can selectively precipitate `S^(2-)` from a mixture of `S^(2-)` and `SO_(4)^(2-)` in aqueous solution is (are)

A

`CuCl_(2)`

B

`BaCl_(2)`

C

`Pb(OOC CH_(3))_(2)`

D

`Na_(2)[Fe(CN)_(5)NO]`

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The correct Answer is:
A
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