An aqueous solution contains the ions as Hg_2 | vedclass

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(D) In qualitative inorganic analysis,the $Group \ I$ basic radicals are $Pb^{2+}$,$Hg_2^{2+}$,and $Ag^+$.These ions form insoluble chlorides when tre

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$Hg_2Cl_2$ and $PbCl_2$

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(D) In qualitative inorganic analysis,the $Group \ I$ basic radicals are $Pb^{2+}$,$Hg_2^{2+}$,and $Ag^+$.These ions form insoluble chlorides when treated with dilute $HCl$ due to their very low solubility product $(K_{sp})$ values.$Hg^{2+}$ and $Cd^{2+}$ belong to $Group \ II$ and do not precipitate as chlorides with dilute $HCl$.Therefore,the addition of dilute $HCl$ precipitates $Hg_2Cl_2$ and $PbCl_2$.

An aqueous solution contains the ions as $Hg_2^{2+}$,$Hg^{2+}$,$Pb^{2+}$,and $Cd^{2+}$. The addition of dilute $HCl$ $(6 \ N)$ precipitates:

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