25.The IUPAC name for piperitone is piperitone A) 6-isopropyl-3-methyl-2-cyclohexenone B) 2-isopropyl-5-methyl-5-cyclohexenone c) 6-isopropyl-3-methylcyclohexanone. D) 1-methyl-4-isopropylcyclohexen-3-one. E) 6-isopropyl-3-methyl-3-cyclohexenone. Ans:A 26.Which structure would be named 3-bromo-5-methylcyclohexene? A) Br CH B) CH Br CH D) Br 人CH E) none of the above Ans:C Page 10Page 10 25. The IUPAC name for piperitone is O piperitone A) 6-isopropyl-3-methyl-2-cyclohexenone. B) 2-isopropyl-5-methyl-5-cyclohexenone. C) 6-isopropyl-3-methylcyclohexanone. D) 1-methyl-4-isopropylcyclohexen-3-one. E) 6-isopropyl-3-methyl-3-cyclohexenone. Ans: A 26. Which structure would be named 3-bromo-5-methylcyclohexene? A) Br CH3 B) CH Br 3 C) CH3 Br D) Br CH3 E) none of the above Ans: C