Question

Aq solution contains `Zn(CH_(3)COO)_(2) Cd(CH_(3)COO)_(2)` and `Cu(CH_(2)COO)_(2)` on passing `H_(2)S` gas there is precipitate of …….. As sulphide.
A. `Zn^(2+),Cd^(2+)`
B. `Cu^(2+),Cd^(2+)`
C. `Zn^(2+),Cu^(2+)`
D. `Zn^(2+),Cu^(2+),Cd^(2+)`

Answer 1

Correct Answer - d