Which of the following ions gives a white pre | vedclass

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(A) In qualitative inorganic analysis,$Hg_2^{2+}$ belongs to Group-$I$ basic radicals. When $HCl$ is added to an aqueous solution containing $Hg_2^{2+

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$Hg_2^{2+}$

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(A) In qualitative inorganic analysis,$Hg_2^{2+}$ belongs to Group-$I$ basic radicals. When $HCl$ is added to an aqueous solution containing $Hg_2^{2+}$ ions,it reacts to form mercurous chloride $(Hg_2Cl_2)$,which is a white precipitate. The chemical equation is: $Hg_2^{2+}(aq) + 2Cl^-(aq) 	o Hg_2Cl_2(s) \downarrow$ (white precipitate). Other ions like $Mg^{2+}$,$Zn^{2+}$,and $Cd^{2+}$ do not form insoluble chlorides with $HCl$.

Which of the following ions gives a white precipitate when $HCl$ is added to its aqueous solution?

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