On passing $H_2S$ gas,a black precipitate of $II$ group is obtained. The mixture may not contain:
- A$Pb^{2+}$
- B$Cd^{2+}$
- C$Hg^{2+}$
- D$Cu^{2+}$
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Match column-$I$ and column-$II$ with correct relation:
Column-$I$ Column-$II$ $(i)$ Blood like red colour $(a)$ $Fe_4[Fe(CN)_6]_3$ $(ii)$ Sodium nitroprusside $(b)$ $(NH_4)_2MoO_4$ $(iii)$ Ammonium molybdate $(c)$ $[Fe(SCN)]^{2+}$ $(iv)$ Ferri-ferro cyanide $(d)$ $Na_2[Fe(CN)_5NO]$
| Column-$I$ | Column-$II$ |
|---|---|
| $(i)$ Blood like red colour | $(a)$ $Fe_4[Fe(CN)_6]_3$ |
| $(ii)$ Sodium nitroprusside | $(b)$ $(NH_4)_2MoO_4$ |
| $(iii)$ Ammonium molybdate | $(c)$ $[Fe(SCN)]^{2+}$ |
| $(iv)$ Ferri-ferro cyanide | $(d)$ $Na_2[Fe(CN)_5NO]$ |
Easy
View SolutionWhich ion is not precipitated by both $HCl$ and $H_2S$?
Difficult
View SolutionPrecipitate of group $IV$ cations takes place when $H_2S$ is
Medium
View Solution$Pb(CH_3COO)_2$ gives a precipitate of which color with $H_2S$?
Medium
View SolutionIn the fifth group of qualitative analysis,$(NH_4)_2CO_3$ is added to precipitate out the carbonates. We do not add $Na_2CO_3$ because
DifficultAIIMS 1982
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