Analytical ChemistryHard

Question

Precipitate of PbSO₄ is soluble in :

Options

A.ammonium acetate (6M)

B.dilute HCl

C.dilute H₂SO₄

D.none

Solution

PbSO₄ + 2CH₃COONH₄ → (NH₄)₂SO₄ + (CH₃COO)₂Pb.

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