Which of the following pairs of cations cannot be separated by using dilute ?

CHEMISTRY · Single correct · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

Which of the following pairs of cations cannot be separated by using dilute

\text{HCl}

? (1)

\text{Hg}_2^{2+}, \text{Pb}^{2+}

(2)

\text{Hg}^{2+}, \text{Ag}^+

(3)

\text{Ag}^+, \text{Cu}^{2+}

(4)

\text{Hg}_2^{2+}, \text{Bi}^{3+}