An aqueous solution is prepared by dissolving a mixture containing

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

Problem

\text{ZnCl}_2

\text{CdCl}_2

and

\text{CuCl}_2

. Now

\text{H}_2\text{S}

gas is passed through the aqueous solution of salt to form precipitate. (1)

\text{CdS}

(2)

\text{CuS}

(3)

\text{ZnS}

(4) No ppt.