$A$ salt on treatment with dil. $HCl$ gives a pungent smelling gas and a yellow precipitate. The salt gives a green flame when tested. The salt solution gives a yellow precipitate with potassium chromate. The salt is:
- A$NiSO_4$
- B$BaS_2O_3$
- C$PbS_2O_3$
- D$CuSO_4$
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Similar Questions
Match List-$I$ with List-$II$.
$LIST$-$I$ (Precipitating reagent and conditions) $LIST$-$II$ (Cation) $A$. $NH_4Cl + NH_4OH$ $I$. $Mn^{2+}$ $B$. $NH_4OH + (NH_4)_2CO_3$ $II$. $Pb^{2+}$ $C$. $NH_4OH + NH_4Cl + H_2S$ gas $III$. $Al^{3+}$ $D$. Dilute $HCl$ $IV$. $Sr^{2+}$
Choose the correct answer from the options given below:
| $LIST$-$I$ (Precipitating reagent and conditions) | $LIST$-$II$ (Cation) |
| $A$. $NH_4Cl + NH_4OH$ | $I$. $Mn^{2+}$ |
| $B$. $NH_4OH + (NH_4)_2CO_3$ | $II$. $Pb^{2+}$ |
| $C$. $NH_4OH + NH_4Cl + H_2S$ gas | $III$. $Al^{3+}$ |
| $D$. Dilute $HCl$ | $IV$. $Sr^{2+}$ |
Choose the correct answer from the options given below:
To an aqueous solution containing ions such as $Al^{3+}, Zn^{2+}, Ca^{2+}, Fe^{3+}, Ni^{2+}, Ba^{2+}$ and $Cu^{2+}$,concentrated $HCl$ was added,followed by $H_{2}S$. The total number of cations precipitated during this reaction is/are:
Assign $A, B, C, D$ from the given type of reaction.
$FeCl_3 + NH_3 \text{ (excess)} \longrightarrow Fe(OH)_3 \downarrow$
$FeCl_3 + NH_3 \text{ (excess)} \longrightarrow Fe(OH)_3 \downarrow$
Medium
View SolutionWhich reagent can be used to identify nickel ion $(Ni^{2+})$?
Medium
View SolutionChoose an incorrect match of the colour of compounds.
Difficult
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