Difference between phenol and alcohol
Property
|
Phenol (C6H5OH)
|
Alcohol (C2H5OH)
|
Odour
|
Typical phenolic odour
|
Pleasant alcoholic odour
|
Nature, reaction with alkali
|
Acidic, dissolves in sodium hydroxide forming sodium phenoxide.
|
Neutral, no reaction with alkalies.
|
Reaction with neutral FeCl3
|
Gives violet colouration due to formation of complex compound.
|
No reaction.
|
Reaction with halogen acids
|
No reaction with halogen acids.
|
Forms ethyl halides.
|
Oxidation
|
Pink or brown colour due to formation of quinone and phenoquinone.
|
Undergoes oxidation to give acetaldehyde and acetic acid.
|
Reaction with HCHO
|
Forms polymer (bakelite).
|
No reaction.
|
Liebermann's nitroso reaction
|
Positive.
|
Does not show.
|
Coupling with benzene diazonium chloride
|
Forms azo dye.
|
Does not form any dye.
|
Reaction with PCl5
|
Mainly forms triphenyl phosphate.
|
Forms ethyl chloride
|
Iodoform test
|
Does not show.
|
Positive.
|