IUPAC name of m-cresol is ___________.
(i) 3-methyl phenol
(ii) 3-chlorophenol
(iii) 3-methoxy phenol
(iv) benzene-1,3-diol
The answer is the option (i). The structure of m-cresol consists of a benzene ring with functional and substituent attached. m-cresol is the common name assigned to the compound, and according to the rules of nomenclature, the IUPAC name is of m-cresol is 3-methyl phenol. So, Option (i) 3-methyl phenol is the right answer.