The ion that cannot ne precipitated by both `HCl` and `H_(2)S` is

Options

A. `Pb^(2+)`
B. `Fe^(3+)`
C. `Zn^(2+)`
D. `Cu^(2+)`

Answer

A

Explanation

`Pb^(2+)` forms a precipitate of `PbCl_(2)` (white) and PbS (black).