19.Which of the following structures represents:(-3-fuoro-3-octen-2.5-dione? 20.The following molecule contains how many of unsaturation? )7B)9C)10D)11 E)15 Page6
Page 6 19. Which of the following structures represents: (Z)-3-fluoro-3-octen-2,5-dione? A) F H O O B) O H F O C) F H O O D) H F O O E) O F H O Ans: B 20. The following molecule contains how many units of unsaturation? O A) 7 B) 9 C) 10 D) 11 E) 15 Ans: D
21.Which of the following are(isomers? H;CBr HN(CH3)2 H.C CH H;C CO2H gind 5 B)2and 5 C)3 and 5 D)2 and3 E)2.and5 Page7
Page 7 21. Which of the following are (Z) isomers? H3C Cl Br CH3 H3C H CO2H CH3 H H3C CHO CO2H H3C C6H5 CO2H H H H3C N(CH3)2 CH3 4 5 1 2 3 A) 1 and 5 B) 2 and 5 C) 3 and 5 D) 2 and 3 E) 2, 4 and 5 Ans: B