On saturating an aqueous solution of Cu(II),P | vedclass

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(D) When $H_2S$ gas is passed through an aqueous solution containing $Cu^{2+}$,$Pb^{2+}$,and $Zn^{2+}$ ions,all these metal ions form their respective

Vedclass · Accepted Answer

$CuS$,$PbS$,and $ZnS$

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(D) When $H_2S$ gas is passed through an aqueous solution containing $Cu^{2+}$,$Pb^{2+}$,and $Zn^{2+}$ ions,all these metal ions form their respective insoluble sulfides. $Cu^{2+} + H_2S \rightarrow CuS \downarrow + 2H^+$ $Pb^{2+} + H_2S \rightarrow PbS \downarrow + 2H^+$ $Zn^{2+} + H_2S \rightarrow ZnS \downarrow + 2H^+$ Since all three ions form precipitates with $H_2S$,the correct option is $(D)$.

On saturating an aqueous solution of $Cu(II)$,$Pb(II)$,and $Zn(II)$ ions with $H_2S$,which of the following will precipitate?

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