16.Which of the following molecules would you predict to be aromatic? A) C Ans:B OH OCH; vanillin CHO }场m& 3-formyl-6-hydroxvanisole imt好meoy phen 4-formyl-5-methoxyphenol C)4-hydroxy-3-methoxybenzaldehyde Ans:C Page8Page 8 16. Which of the following molecules would you predict to be aromatic? A) B) O C) D) E) H Ans: B 17. Which would be the best systematic name of vanillan, the primary flavoring ingredient in vanilla? OH CHO OCH3 vanillin A) 4-formyl-2-methoxyphenol D) 5-formyl-2-hydroxyanisole B) 3-formyl-6-hydroxyanisole E) 4-formyl-5-methoxyphenol C) 4-hydroxy-3-methoxybenzaldehyde Ans: C