What is the IUPAC name of resorcinol?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Benzene-1,3-diol
In resorcinol the two –OH groups are meta (1,3) to each other, so in the IUPAC system it is a benzenediol with the locants 1 and 3.
So the IUPAC name of resorcinol is benzene-1,3-diol.
NCERT (2026-27 edition):
Nomenclature – …
