What is the correct IUPAC name of α-Methylcyclohexanone?(a) Methylcyclohexanone(b) Methylcyclohexan-2-one(c) 2-Methylcyclohexanone(d) Cyclomethylhexan-2-oneThis question was addressed to me in an interview.The query is from Nomenclature and Structure of Carbonyl Groups in division Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

What is the correct IUPAC name of α-Methylcyclohexanone?(a) Methylcyc

1.	What is the correct IUPAC name of α-Methylcyclohexanone?(a) Methylcyclohexanone(b) Methylcyclohexan-2-one(c) 2-Methylcyclohexanone(d) Cyclomethylhexan-2-oneThis question was addressed to me in an interview.The query is from Nomenclature and Structure of Carbonyl Groups in division Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12
Answer» Correct answer is (c) 2-Methylcyclohexanone For EXPLANATION I would SAY: Alpha represents the presence of a substituent on the carbon next to the carbon of the CO group. The ketone group is given the lower number in CASE of substituted KETONES hence the number 2 is associated with the methyl group in this case.

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