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:
- A$Hg_2Cl_2$ only
- B$PbCl_2$ only
- C$PbCl_2$ and $HgCl_2$
- D$Hg_2Cl_2$ and $PbCl_2$
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Similar Questions
$Pb(CH_3COO)_2$ gives a precipitate of which color with $H_2S$?
Medium
View SolutionWhich of the following radicals will not be precipitated by passing $H_2S$ in a concentrated acid solution?
Difficult
View SolutionMatch List-$I$ with List-$II$ and select the correct answer using the codes given below.
List-$I$ (Ion involved) List-$II$ (Agent) $(i) \, Ni^{2+}$ $(A).$ Sodium thiosulphate $(ii) \, Ag^{+}$ $(B).$ Sodium nitroprusside $(iii) \, Cu^{2+}$ $(C).$ Ammonia $(iv) \, S^{2-}$ $(D).$ Dimethylglyoxime
| List-$I$ (Ion involved) | List-$II$ (Agent) |
| $(i) \, Ni^{2+}$ | $(A).$ Sodium thiosulphate |
| $(ii) \, Ag^{+}$ | $(B).$ Sodium nitroprusside |
| $(iii) \, Cu^{2+}$ | $(C).$ Ammonia |
| $(iv) \, S^{2-}$ | $(D).$ Dimethylglyoxime |
Sodium nitroprusside when reacts with a solution of $Na_2S$,produces:
Among $PbS$,$CuS$,$HgS$,$MnS$,$Ag_2S$,$NiS$,$CoS$,$Bi_2S_3$,and $SnS_2$,the total number of black coloured sulphides is
MediumIIT 2014
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