Organic Chemistry
Experiment 01 (B)
Detection of Sulphur
Materials Required
Real Lab Procedure
Test | Experiment | Observation | Inference |
|---|---|---|---|
| Sodium nitroprusside Test | To a small portion of Lassaigne's extract, add a few drops of sodium nitroprusside solution. | Appearance of a purple colouration. | Presence of sulphur in the compound. |
| Lead acetate Test | Acidify a small portion of Lassaigne's extract with a few drops of acetic acid and add a few drops of lead acetate solution. | A black precipitate forms. | Presence of sulphur in the compound. |
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