Question

How do you explain detection of 1 group basic radicals based on application and solubility product.

Answer 1

Group reagent: Dil. HCl → H⁺ + Cl^–

Redicals present: Pb²⁺, Hg²⁺, Cd²⁺

The group reagent HCl is a strong electrolyte under goes complete dissociation. The metal radicals forms it’s respective chlorides [PbCl₂, HgCl₂, CdCl₂]. Whose solubility product is less than ionic product. Hence, forms precipitate.