Class 11Chemistry3 Organic Chemistry: Purification and CharacterisationChemical analysis of organic compounds
MediumAcidified sodium fusion extract on addition of ferric chloride solution gives blood red colouration,which confirms the presence of:
- A$S$ and $Cl$
- B$N$ and $S$
- C$N$
- D$S$
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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:
Which compound is responsible for the formation of a blue precipitate when ferric ions react with a Lassaigne's extract or potassium ferrocyanide solution?
Medium
View SolutionName the methods used for determining the molecular mass of organic compounds.
Medium
View SolutionWhy is nitric acid added to sodium extract before adding silver nitrate for testing halogens?
Medium
View SolutionIn the Lassaigne's test for the detection of sulfur,which substance is responsible for the formation of black precipitates?
Easy
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