An aqueous solutio of a salt (A) gives white precipitate with NaCl solution and filtrate of this with `H_(2)S` gives black precipitate . Then which one of the following cations should be present inA. `Hg^(+)`B. `Cu^(+)`C. `Cu^(++)`D. `Pb^(++)`

An aqueous solutio of a salt (A) gives white precipitate with NaCl sol

1.	An aqueous solutio of a salt (A) gives white precipitate with NaCl solution and filtrate of this with `H_(2)S` gives black precipitate . Then which one of the following cations should be present inA. `Hg^(+)`B. `Cu^(+)`C. `Cu^(++)`D. `Pb^(++)`
Answer» Correct Answer - D

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An aqueous solutio of a salt (A) gives white precipitate with NaCl solution and filtrate of this with `H_(2)S` gives black precipitate . Then which one of the following cations should be present inA. `Hg^(+)`B. `Cu^(+)`C. `Cu^(++)`D. `Pb^(++)`

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