A 0.3 M HCl solution contains the following ions Hg^(++),Cd^(++),Sr^(+ – InterviewSolution

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1.	A 0.3 M HCl solution contains the following ions Hg^(++),Cd^(++),Sr^(++),Fe^(++). The addition of H_(2)S to above solution will precipitate
Answer» CD, Cu and Hg Cd, Fe and Sr Hg, Cu and Fe Cu, Sr and Fe Solution :The SECOND group radicals will precipitate because their solubility product is very LOW so SULPHATES will be precipitated.

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