$A$ precipitate of which of the following is obtained when $HCl$ is added to a solution of stannous sulphide $(SnS)$ in yellow ammonium sulphide?
- A$SnS$
- B$SnS_2$
- C$Sn_2S_2$
- D$(NH_4)_2SnS_3$
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On addition of aqueous $NaOH$ to a salt solution,a white gelatinous precipitate is formed,which dissolves in excess alkali. The salt solution contains
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DifficultAIIMS 1980
View Solution$X_2S_n + H_2O \to X(OH)_n \downarrow + Y \uparrow (Gas) \xrightarrow{Pb(CH_3COO)_2} Z \downarrow (Black \ ppt.)$
Then $(X)$ cation can not be
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View SolutionConsider the sulphides $HgS$,$PbS$,$CuS$,$Sb_{2}S_{3}$,$As_{2}S_{3}$ and $CdS$. Number of these sulphides soluble in $50\% \ HNO_{3}$ is .... .
Match 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 |
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