Rationalised 2023-24
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Alcohols, Phenols and Ethers
Common name
Phenol
o-Cresol
m-Cresol
p-Cresol
IUPAC name
Phenol
2-Methylphenol
3-Methylphenol
4-Methylphenol
Dihydroxy derivatives of benzene are known as 1, 2-, 1, 3- and
1, 4-benzenediol OH
CH3
OH
CH3
OH
CH3
OH
OH
OH
OH
OH
OH
OH
Common name
Catechol
Benzene-
1,2-diol
Resorcinol
Benzene-
1,3-diol
Hydroquinone or quinol
Benzene-
1,4-diol
IUPAC name
(c) Ethers: Common names of ethers are derived from the names of alkyl/
aryl groups written as separate words in alphabetical order and adding the
word ‘ether’ at the end For example, CH3OC2H5 is ethylmethyl ether Table 7