Chemistry

Problem

Which of the following ions can be separated by using dilute

\text{HCl}

? a.

\text{Ag}^+

and

\text{Cu}^{2+}

\text{Ag}^+

and

\text{Hg}_2^{2+}

\text{Hg}_2^{2+}

and

\text{Cd}^{2+}

\text{Ag}^+

and

\text{Al}^{3+}