Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationChemical analysis of organic compounds
MediumThe formulae of ammonium phosphomolybdate $(X)$ and the compound $(Y)$ responsible for Prussian blue colour are:
- A$X: (NH_4)_3PO_4 \cdot 12MoO_3, Y: Fe_4[Fe(CN)_6]_3 \cdot xH_2O$
- B$X: (NH_4)_3PO_3 \cdot 12MoO_3, Y: Fe_4[Fe(CN)_6]_3 \cdot xH_2O$
- C$X: (NH_4)_2PO_3 \cdot 12MoO_3, Y: Fe_3[Fe(CN)_6]_2 \cdot xH_2O$
- D$X: (NH_4)_3PO_4 \cdot 12MoO_3, Y: Fe_3[Fe(CN)_5]_2 \cdot xH_2O$
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The volume of nitrogen is measured by which apparatus in the Dumas method?
Easy
View SolutionMatch the compounds in Column $I$ with their characteristic test$(s)$ reaction$(s)$ given in Column $II$.
Column $I$ Column $II$ $A. H_2N-NH_3^+Cl^-$ $p. \text{Sodium fusion extract of the compound gives Prussian blue colour with } FeSO_4$ $B. HO-C_6H_4-CH(NH_3^+)COOH \text{ (with } I^- \text{ counterion)}$ $q. \text{Gives positive } FeCl_3 \text{ test}$ $C. HO-C_6H_4-NH_3^+Cl^-$ $r. \text{Gives white precipitate with } AgNO_3$ $D. (NO_2)_2C_6H_3-NH-NH_3^+Br^-$ $s. \text{Reacts with aldehydes to form the corresponding hydrazone derivative}$
| Column $I$ | Column $II$ |
|---|---|
| $A. H_2N-NH_3^+Cl^-$ | $p. \text{Sodium fusion extract of the compound gives Prussian blue colour with } FeSO_4$ |
| $B. HO-C_6H_4-CH(NH_3^+)COOH \text{ (with } I^- \text{ counterion)}$ | $q. \text{Gives positive } FeCl_3 \text{ test}$ |
| $C. HO-C_6H_4-NH_3^+Cl^-$ | $r. \text{Gives white precipitate with } AgNO_3$ |
| $D. (NO_2)_2C_6H_3-NH-NH_3^+Br^-$ | $s. \text{Reacts with aldehydes to form the corresponding hydrazone derivative}$ |
Identify the binary mixture$(s)$ that can be separated into individual compounds by differential extraction,as shown in the given scheme.
$(A)$ $C_6H_5OH$ and $C_6H_5COOH$
$(B)$ $C_6H_5COOH$ and $C_6H_5CH_2OH$
$(C)$ $C_6H_5CH_2OH$ and $C_6H_5OH$
$(D)$ $C_6H_5CH_2OH$ and $C_6H_5CH_2COOH$
$(A)$ $C_6H_5OH$ and $C_6H_5COOH$
$(B)$ $C_6H_5COOH$ and $C_6H_5CH_2OH$
$(C)$ $C_6H_5CH_2OH$ and $C_6H_5OH$
$(D)$ $C_6H_5CH_2OH$ and $C_6H_5CH_2COOH$
The compound that does not give a positive test for nitrogen in Lassaigne's test is
Match the compounds in List-$I$ with the observations in List-$II$,and choose the correct option.
List-$I$ List-$II$ $I$. Aniline $P$. Sodium fusion extract of the compound on boiling with $FeSO_4$,followed by acidification with conc. $H_2SO_4$,gives Prussian blue color. $II$. $o$-Cresol $Q$. Sodium fusion extract of the compound on treatment with sodium nitroprusside gives blood red color. $III$. Cysteine $R$. Addition of the compound to a saturated solution of $NaHCO_3$ results in effervescence. $IV$. Caprolactam $S$. The compound reacts with bromine water to give a white precipitate. $T$. Treating the compound with neutral $FeCl_3$ solution produces violet color.
| List-$I$ | List-$II$ |
|---|---|
| $I$. Aniline | $P$. Sodium fusion extract of the compound on boiling with $FeSO_4$,followed by acidification with conc. $H_2SO_4$,gives Prussian blue color. |
| $II$. $o$-Cresol | $Q$. Sodium fusion extract of the compound on treatment with sodium nitroprusside gives blood red color. |
| $III$. Cysteine | $R$. Addition of the compound to a saturated solution of $NaHCO_3$ results in effervescence. |
| $IV$. Caprolactam | $S$. The compound reacts with bromine water to give a white precipitate. |
| $T$. Treating the compound with neutral $FeCl_3$ solution produces violet color. |
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