SolutionsNomenclature
1. Name these phenols
- C6H4(OH)CH3 with the methyl group in the para position
- C6H4(OH)Cl with the chlorine in the ortho position
- C6H3(OH)(NO2)2 with the nitro groups at 2 and 4
- 4-Methylphenol (p-cresol).
- 2-Chlorophenol (o-chlorophenol).
- 2,4-Dinitrophenol.
2. Trivial names
Which compounds are called catechol, resorcinol and hydroquinone?
The three benzenediols: 1,2- (catechol), 1,3- (resorcinol) and 1,4- (hydroquinone).
3. Main or secondary function?
Give the trivial name of 2-hydroxybenzoic acid and explain why the OH is named as “hydroxy”.
It is salicylic acid. The carboxylic acid has a higher priority than the OH, so it is the main function and the OH is cited as a substituent (hydroxy).