$A$ salt '$A$' which gives a green flame with a Bunsen burner,on reaction with dil. $H_2SO_4$ produces gas $(2)$ and white turbidity $(Z)$. The saturated solution of gas $(2)$ on reaction with $H_2S$ gas produces '$Z$'. Then select the $CORRECT$ statement.
- AGas $(2)$ is $CO_2$
- BGas $(2)$ is $SO_2$
- CWhite turbidity $(Z)$ is of elemental sulphur
- DBoth $(B)$ and $(C)$ are correct
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Which of the following ions forms a colored carbonate precipitate?
MediumAIIMS 2019
View SolutionMatch the List-$I$ with List-$II$ :
Cations Group reaction $P \rightarrow Pb^{2+}, Cu^{2+}$ $(i)$ $H_2S$ gas in presence of dilute $HCl$ $Q \rightarrow Al^{3+}, Fe^{3+}$ $(ii)$ $(NH_4)_2CO_3$ in presence of $NH_4OH$ $R \rightarrow Co^{2+}, Ni^{2+}$ $(iii)$ $NH_4OH$ in presence of $NH_4Cl$ $S \rightarrow Ba^{2+}, Ca^{2+}$ $(iv)$ $H_2S$ in presence of $NH_4OH$
| Cations | Group reaction |
| $P \rightarrow Pb^{2+}, Cu^{2+}$ | $(i)$ $H_2S$ gas in presence of dilute $HCl$ |
| $Q \rightarrow Al^{3+}, Fe^{3+}$ | $(ii)$ $(NH_4)_2CO_3$ in presence of $NH_4OH$ |
| $R \rightarrow Co^{2+}, Ni^{2+}$ | $(iii)$ $NH_4OH$ in presence of $NH_4Cl$ |
| $S \rightarrow Ba^{2+}, Ca^{2+}$ | $(iv)$ $H_2S$ in presence of $NH_4OH$ |
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
View Solution$Fe^{2+}$ ion can be distinguished from $Fe^{3+}$ ion by
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View SolutionAn aqueous solution contains the ions as $Hg_2^{2+}$,$Hg^{2+}$,$Pb^{2+}$,and $Cd^{2+}$. The addition of dilute $HCl$ $(6 \ N)$ precipitates:
DifficultIIT 1995
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