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Ceric Ammonium Nitrate Test
Ceric Ammonium Nitrate turns from yellow to red in presence of alcohols (1°, 2°, 3°).
How It Works
1
Three Unknown Compounds
Tubes A, B, C contain an alcohol, a phenol, and a carboxylic acid.
2
Add CAN Reagent
Ceric Ammonium Nitrate is yellow. It reacts with alcohols to give red color.
3
Observe Color
Red = Alcohol. Green-brown = Phenol. No change = Carboxylic acid.
Reaction Key
Alcohol:
Yellow → Red (alkoxy cerium complex)
Phenol:
Green-brown color
Carboxylic Acid:
No red color change