Class 11Chemistry3 Organic Chemistry: Purification and CharacterisationChemical analysis of organic compounds
MediumNitrogen can be estimated by Kjeldahl's method for which of the following compounds?
- A$CH_3-CH_2-NO_2$
- B$CH_3-CH_2-NH_2$
- C$C_6H_5-N=N-C_6H_5$
- D$C_5H_5N$
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Similar Questions
In organic compounds,nitrogen is tested in Lassaigne's test as:
Medium
View SolutionMatch List-$I$ with List-$II$:
List-$I$ (Test/Reagents/Observation) List-$II$ (Species detected) $(a)$ Lassaigne's Test $(i)$ Carbon $(b)$ $Cu(II)$ oxide $(ii)$ Sulphur $(c)$ Silver nitrate $(iii)$ $N, S, P,$ and halogen $(d)$ The sodium fusion extract gives black precipitate with acetic acid and lead acetate $(iv)$ Halogen specifically
The correct match is:
| List-$I$ (Test/Reagents/Observation) | List-$II$ (Species detected) |
| $(a)$ Lassaigne's Test | $(i)$ Carbon |
| $(b)$ $Cu(II)$ oxide | $(ii)$ Sulphur |
| $(c)$ Silver nitrate | $(iii)$ $N, S, P,$ and halogen |
| $(d)$ The sodium fusion extract gives black precipitate with acetic acid and lead acetate | $(iv)$ Halogen specifically |
The correct match is:
Why is the Lassaigne's extract boiled with concentrated $HNO_3$ before testing for halogens?
Medium
View SolutionIf $N$ and $S$ are present in an organic compound during the Lassaigne test,then both change into:
Difficult
View SolutionIn the detection of halogens,what is formed by adding $AgNO_3$? What is its colour?
Easy
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