Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationChemical analysis of organic compounds
DifficultAppearance of blood red colour,on treatment of the sodium fusion extract of an organic compound with $FeSO_4$ in presence of concentrated $H_2SO_4$ indicates the presence of element/s
- A$Br$
- B$N$
- C$N$ and $S$
- D$S$
Explore More
Similar Questions
How is the purity of a compound determined?
Medium
View SolutionThe compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is
MediumAIEEE 2004
View SolutionDiscuss the chemistry of Lassaigne's test.
Difficult
View SolutionWhat happens when an organic compound is fused with sodium metal?
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 $II$ |
|---|---|
| $A. H_2N-NH_3^+Cl^-$ | $p. \text{Sodium fusion extract of the compound gives Prussian blue colour with } FeSO_4$ |
| $B. HO-C_6H_4-CH(NH_3^+)COOH \text{ (with } I^- \text{ counterion)}$ | $q. \text{Gives positive } FeCl_3 \text{ test}$ |
| $C. HO-C_6H_4-NH_3^+Cl^-$ | $r. \text{Gives white precipitate with } AgNO_3$ |
| $D. (NO_2)_2C_6H_3-NH-NH_3^+Br^-$ | $s. \text{Reacts with aldehydes to form the corresponding hydrazone derivative}$ |
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo