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IUPAC name of m-cresol is ___________. (i) 3-methylphenol (ii) 3-chlorophenol (iii) 3-methoxyphenol (iv) benzene-1,3-diol

Option (i) is the answer.

Because OH has a greater priority, its position on the benzene ring is number one, and the methyl group with locant number three is meta to it.

3-Methylphenol will be its IUPAC name.