Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationChemical analysis of organic compounds
MediumThe formula of the purple colour formed in $Lassaigne's$ test for sulphur using sodium nitroprusside is ......
- A$Na_4[Fe(CN)_5(NOS)]$
- B$Na[Cr(NH_3)_2(NCS)_4]$
- C$Na_2[Fe(CN)_5(NO)]$
- D$Na_3[Fe(CN)_5(NOS)]$
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Similar Questions
Match List-$I$ with List-$II$.
List-$I$ Element detected List-$II$ Reagent used/Product formed $A$. Nitrogen $I$. $Na_2[Fe(CN)_5NO]$ $B$. Sulphur $II$. $AgNO_3$ $C$. Phosphorus $III$. $Fe_4[Fe(CN)_6]_3$ $D$. Halogen $IV$. $(NH_4)_2MoO_4$
Choose the correct answer from the options given below:
| List-$I$ Element detected | List-$II$ Reagent used/Product formed |
| $A$. Nitrogen | $I$. $Na_2[Fe(CN)_5NO]$ |
| $B$. Sulphur | $II$. $AgNO_3$ |
| $C$. Phosphorus | $III$. $Fe_4[Fe(CN)_6]_3$ |
| $D$. Halogen | $IV$. $(NH_4)_2MoO_4$ |
Choose the correct answer from the options given below:
Consider the following table$-$
Column-$I$
Column-$II$
$A$. Best and latest technique for isolation,purification and separation of organic compounds
$i$. Chromatography
$B$. In Lassaigne's test for $N$
$ii$. Vacuum distillation
$C$. In Lassaigne's test for $S$
$iii$. Violet coloured complex is formed
$D$. Aniline is separated from water by
$iv$. Prussian blue coloured complex is formed
$E$. Glycerol is purified from spent lye
$v$. Steam distillation
The correct match is$-$
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. Best and latest technique for isolation,purification and separation of organic compounds | $i$. Chromatography |
| $B$. In Lassaigne's test for $N$ | $ii$. Vacuum distillation |
| $C$. In Lassaigne's test for $S$ | $iii$. Violet coloured complex is formed |
| $D$. Aniline is separated from water by | $iv$. Prussian blue coloured complex is formed |
| $E$. Glycerol is purified from spent lye | $v$. Steam distillation |
The correct match is$-$
Medium
View SolutionDuring Lassaigne's test,if $N$ and $S$ are present individually in an organic compound,they are converted into:
Medium
View SolutionName the methods used for determining the molecular mass of organic compounds.
Medium
View SolutionIn the test for halogens,why is nitric acid added to the sodium fusion extract before adding silver nitrate?
Easy
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