How many of the following are precipitated as sulfides in the presence of $NH_{4} OH / NH_{4} Cl$ ?
$Cu^{2 +}$ , $Cd^{2 +}$ , $Ni^{2 +}$ , $Hg^{2 +}$ , $Zn^{2 +}$ , $Co^{2 +}$ , $Mn^{2 +}$ , $Bi^{3 +}$ , $Ba^{2 +}$

Question

How many of the following are precipitated as sulfides in the presence of NH 4 ​ OH / NH 4 ​ Cl ? Cu 2 + , Cd 2 + , Ni 2 + , Hg 2 + , Zn 2 + , Co 2 + , Mn 2 + , Bi 3 + , Ba 2 +

TestHub · Accepted Answer

Except Ba 2 + all the other actions will be precipitated as sulphides in the presence of ammonium hydroxide and ammonium chloride with H 2 ​ S

Chemistry - Ionic Equilibrium Question with Solution | TestHub

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