Which reagent is used to test for the presence of the $Fe^{+2}$ ion?
- A$H_2S$
- B$NH_4CNS$
- C$K_4[Fe(CN)_6]$
- D$K_3[Fe(CN)_6]$
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Similar Questions
In qualitative analysis,in order to detect $II$ group basic radicals,$H_2S$ gas is passed in the presence of dilute $HCl$ to:
Difficult
View SolutionMatch List-$I$ with List-$II$:
List-$I$ ($Test$/$reagent$) List-$II$ ($Radical$ $identified$) $A$. Lake Test $I$. $NO_3^{-}$ $B$. Nessler's Reagent $II$. $Fe^{3+}$ $C$. Potassium thiocyanate $III$. $Al^{3+}$ $D$. Brown Ring Test $IV$. $NH_4^{+}$
Choose the correct answer from the options given below:
| List-$I$ ($Test$/$reagent$) | List-$II$ ($Radical$ $identified$) |
|---|---|
| $A$. Lake Test | $I$. $NO_3^{-}$ |
| $B$. Nessler's Reagent | $II$. $Fe^{3+}$ |
| $C$. Potassium thiocyanate | $III$. $Al^{3+}$ |
| $D$. Brown Ring Test | $IV$. $NH_4^{+}$ |
Choose the correct answer from the options given below:
Medium
View Solution$A$ mixture of $NaCl$ and $K_{2}Cr_{2}O_{7}$ is heated with conc. $H_{2}SO_{4}$,deep red vapours are formed. Which of the following statements is false?
MediumKCET 2019
View SolutionWhich of the following pairs cannot be separated by passing $H_2S$ gas?
Medium
View SolutionWhich ion will form a precipitate with both $HCl$ and $H_2S$?
Medium
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