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Which one among the following is known as Carbolic acid?
Question

Which one among the following is known as Carbolic acid?

A.

Phenol

B.

Alcohol

C.

Ether

D.

Acetone

Correct option is A

The correct answer is (a) Phenol
Explanation:
• Phenol (C₆H₅OH) is historically called carbolic acid and was used as an antiseptic.
• It is more acidic than alcohols due to resonance-stabilised phenoxide ion.
• Used in disinfectants, resins, and pharmaceuticals.
Information Booster:
• Joseph Lister used phenol as surgical antiseptic in 19th century.
• Phenol is corrosive and must be handled with care.

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