Which pair of ions can be separated by the addition of chloride ion? A)Ag⁺ and Zn²⁺ B)Ni²⁺ and Bi³⁺ C)Pb²⁺ and Hg₂²⁺ D)Ca⁺ and Li⁺

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Silver ion (Ag+) forms a precipitate with chloride ions (Cl-), resulting in silver chloride (AgCl), which is insoluble in water. Zinc ion (Zn2+) does not form a precipitate with chloride ions under normal conditions, allowing for the separation of Ag+ and Zn2+ by the addition of chloride ions.

Which Pair of Ions Can Be Separated by the Addition