MHT CET Medical202622 April 2026Morning ShiftChemistryAlcohols Phenols and EthersActual
What is the common name of benzene-1,2,3-triol?:
Options
- Acatechol
- Bresorcinol
- Cpyrogallol
- Dquinol
Correct answer
C. pyrogallol
Step-by-step solution
The IUPAC name benzene-1,2,3-triol corresponds to a benzene ring with three hydroxyl groups attached to adjacent carbon atoms. Catechol is the common name for benzene-1,2-diol. Resorcinol is the common name for benzene-1,3-diol. Quinol (or hydroquinone) is the common name for benzene-1,4-diol. Pyrogallol is the common name for benzene-1,2,3-triol. Answer: pyrogallol