Question

Write two points of difference between properties of phenol and ethyl alcohol.

Answer 1

Alcohol	Phenol
(1) Aqueous alcohol is a volatile liquid and nentral to litmus	(1) Phenol is a low melting solid. Aqueous phenol turns blue litmus red. Therefore, phenol is acidic in nature.
(2) Alcohol does not react with aq. NaHCO3 or aq. NaOH.	(2) Phenol does not react with aq. NaHCO3 but reacts with NaOH
(3) Alcohol does not react with neutral ferric chloride.	(3) Phenol reacts with neutral ferric chloride solution to give deep (purple/violet/green) colouration of ferric phenoxide.
(4) It is non-corrosive.	(4) It is corrosive.