Which of the following mixtures of ions in solution can be separated by using solution?

CHEMISTRY · Single correct · ICSE · Chemistry · Analytical Chemistry · Analytical Chemistry

Problem

Which of the following mixtures of ions in solution can be separated by using

\text{NH}_3

solution? (1)

\text{Hg}_2^{2+}

and

\text{Ag}^+

(2)

\text{Bi}^{3+}

and

\text{Cu}^{2+}

(3)

\text{Ag}^+

and

\text{Pb}^{2+}

(4)

\text{Cu}^{2+}

and

\text{Cd}^{2+}