Which of the following mixtures cannot be separated by passing `H_(2)S` through their solutions containing dilute HCl ?

Options

A. `Cu^(2+) and Sb^(3+)`
B. `Pb^(2+) and Cd^(2+)`
C. `Pb^(2+) and Al^(3+)`
D. `Zn^(2+) and Mn^(2+)`

Answer

A, B, D