Which of the following ions will give black ppt. with `H_2S` in an acidic solution ?
A. `Cu^(2+)`
B. `Sn^(2+)`
C. `Pb^(2+)`
D. `Zn^(2+)`

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1 Answers

Correct Answer - B::C
`Cu^(2+) and Pb^(2+)` give black ppt. with `H_2S` in acidic medium

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