Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationChemical analysis of organic compounds
EasyIn the detection of halogens,what is formed by adding $AgNO_3$? What is its colour?
(N/A) When $AgNO_3$ is added to the sodium fusion extract (acidified with $HNO_3$),a precipitate of silver halide $(AgX)$ is formed.
$(i)$ $AgCl$ forms a white precipitate.
(ii) $AgBr$ forms a light yellow precipitate.
(iii) $AgI$ forms a yellow precipitate.
$(i)$ $AgCl$ forms a white precipitate.
(ii) $AgBr$ forms a light yellow precipitate.
(iii) $AgI$ forms a yellow precipitate.
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In the test for halogens,why is nitric acid added to the sodium fusion extract before adding silver nitrate?
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View SolutionThe compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is
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View SolutionMatch column $-I$ and column $-II$ with the correct relation:
Column $-I$ Column $-II$ $(i).$ Lassaigne's test $(a).$ By sodium peroxide $(ii).$ Test for nitrogen $(b).$ Acidify with acetic acid $(iii).$ Test for sulphur $(c).$ Acidify with conc. sulphuric acid $(iv).$ Test for phosphorus $(d).$ Fusion with sodium
| Column $-I$ | Column $-II$ |
|---|---|
| $(i).$ Lassaigne's test | $(a).$ By sodium peroxide |
| $(ii).$ Test for nitrogen | $(b).$ Acidify with acetic acid |
| $(iii).$ Test for sulphur | $(c).$ Acidify with conc. sulphuric acid |
| $(iv).$ Test for phosphorus | $(d).$ Fusion with sodium |
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View SolutionHow is the silver halide obtained from an organic compound distinguished?
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View SolutionWhich compound is formed as a violet-colored complex during the test for sulfur?
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