Aqueous solution contains Zn(CH3COO)2, Cd(CH3COO)2 and Cu(CH3COO)2. On passing H2S gas, there is a precipitation of ……. as sulphide.
Zn2+
Cd2+
Cu2+
None of these
A yellow to white ppt is formed based on the nature of the ion. For instance ZnS is white.