Distinguish between Methanol and Ethanol | Iodoform Test | Class 12 |
Автор: Rasayan Gyan
Загружено: 2025-03-07
Просмотров: 7091
Описание:
The iodoform test is a chemical test that identifies alcohols and carbonyl compounds by producing a yellow precipitate of iodoform (CHI3). The test is useful for distinguishing between alcohols like ethanol and methanol.
How it works
React the substance with iodine and sodium hydroxide.
If the solution turns from dark purple-brown to pink, add sodium hydroxide dropwise until the color fades.
Observe for a pale yellow precipitate.
Uses
The iodoform test is used to identify alcohols and carbonyl compounds in unknown substances. It can also be used to quantify the amount of legal alcohol in a sample.
#chemistryclass12 #alcohol #ethanol
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