`H_(2)S` would separate the following in `pH lt 7`A. `Zn^(2+),Co^(2+)`B. `Cu^(2+),Cd^(2+)`C. `Cu^(2+),Cr^(3+)`D. `Cu^(2+),As^(3+)`

`H_(2)S` would separate the following in `pH lt 7`A. `Zn^(2+),Co^(2+)`

1.	`H_(2)S` would separate the following in `pH lt 7`A. `Zn^(2+),Co^(2+)`B. `Cu^(2+),Cd^(2+)`C. `Cu^(2+),Cr^(3+)`D. `Cu^(2+),As^(3+)`
Answer» Correct Answer - c

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`H_(2)S` would separate the following in `pH lt 7`A. `Zn^(2+),Co^(2+)`B. `Cu^(2+),Cd^(2+)`C. `Cu^(2+),Cr^(3+)`D. `Cu^(2+),As^(3+)`

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