Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationChemical analysis of organic compounds
EasyWhy is the test for nitrogen,sulphur,or halogens not carried out by the direct addition of reagents to an organic compound?
- AThey are present as ionic species.
- BThey are covalently bonded to the carbon skeleton.
- CThey are too reactive to be tested directly.
- DThey are present in the form of gases.
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Similar Questions
In the detection of carbon and hydrogen,the organic compound is heated with which of the following?
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Functional group detection) List-$II$ (Change observed during detection) $A$. Unsaturation (Baeyer's test) $I$. Red colour appears $B$. Alcoholic group (Ceric ammonium nitrate test) $II$. Silver mirror appears $C$. Aldehyde group (Tollen's reagent) $III$. Violet colour appears $D$. Phenolic group ($FeCl_3$ test) $IV$. Discharge of pink colour
Choose the correct answer from the options given below:
| List-$I$ (Functional group detection) | List-$II$ (Change observed during detection) |
|---|---|
| $A$. Unsaturation (Baeyer's test) | $I$. Red colour appears |
| $B$. Alcoholic group (Ceric ammonium nitrate test) | $II$. Silver mirror appears |
| $C$. Aldehyde group (Tollen's reagent) | $III$. Violet colour appears |
| $D$. Phenolic group ($FeCl_3$ test) | $IV$. Discharge of pink colour |
Choose the correct answer from the options given below:
DifficultJEE MAIN 2026
View SolutionDuring the detection of phosphorus in an organic compound,a yellow precipitate is formed due to the formation of:
Easy
View SolutionIn the Lassaigne sodium fusion test,$N$ and $S$ of an organic compound are converted into:
Match Column $-I$ with Column $-II$.
Column $-I$ Column $-II$ $(A).$ Dumas method $(3).$ Nitrogen gas $(B).$ Kjeldahl's method $(5).$ Ammonium sulphate $(C).$ Carius method $(1).$ $AgNO_3$ $(D).$ Chromatography $(2).$ Silica gel $(E).$ Homolytic fission $(4).$ Free radical
| Column $-I$ | Column $-II$ |
|---|---|
| $(A).$ Dumas method | $(3).$ Nitrogen gas |
| $(B).$ Kjeldahl's method | $(5).$ Ammonium sulphate |
| $(C).$ Carius method | $(1).$ $AgNO_3$ |
| $(D).$ Chromatography | $(2).$ Silica gel |
| $(E).$ Homolytic fission | $(4).$ Free radical |
Easy
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