Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationChemical analysis of organic compounds
MediumThe compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is
- A$Fe(CN)_3$
- B$Na_3[Fe(CN)_6]$
- C$Fe_4[Fe(CN)_6]_3$
- D$Na_4[Fe(CN)_5NOS]$
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Similar Questions
Match 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 $II$ |
|---|---|
| $A. H_2N-NH_3^+Cl^-$ | $p. \text{Sodium fusion extract of the compound gives Prussian blue colour with } FeSO_4$ |
| $B. HO-C_6H_4-CH(NH_3^+)COOH \text{ (with } I^- \text{ counterion)}$ | $q. \text{Gives positive } FeCl_3 \text{ test}$ |
| $C. HO-C_6H_4-NH_3^+Cl^-$ | $r. \text{Gives white precipitate with } AgNO_3$ |
| $D. (NO_2)_2C_6H_3-NH-NH_3^+Br^-$ | $s. \text{Reacts with aldehydes to form the corresponding hydrazone derivative}$ |
In the Lassaigne's test for the detection of sulfur,which substance is responsible for the formation of black precipitates?
Easy
View SolutionIn $Lassaigne's$ test,the organic compound is fused with $Na$ metal followed by extraction with distilled water. Which of the following is not a possible product of this fusion reaction?
Easy
View SolutionThe blue color obtained in the Lassaigne's test is due to the formation of which compound?
Difficult
View SolutionThe Lassaigne's extract is boiled with conc. $HNO_3$ while testing for halogens. By doing so it
MediumAIPMT 2011
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