ORGANIC CHEMISTRY II CHAPTERS 18 AND 20 1 Which of the following would be the strongest acid? (a) Benzoic acid (b) 4-Nitrobenzoic acid (c) 4-Methylbenzoic acid (d) 4-Methoxybenzoic acid (e) 4-Ethylbenzoic acid 2 Which of the following would yield (S)-2-butanol? (a) (R)-2-Bromobutane + CH₂CO₂"Na OH, H₂O product OH, H₂O heat (b) (R)-2-Bromobutane (c) (S)-2-Butyl acetate (d) All of the above beat OH, H₂O beat (e) None of the above 3 Which reagent would serve as the basis for a simple chemical test to distinguish between hexanoic acid and hexanamide? (a) Cold dilute NaOH (b) Cold dilute NaHCO, (c) Cold coned H₂SO (e) None of these A Give an acceptable name for. (d) More than one of these COCH) CH,CHCH COH a NO₂ A 5 Complete the following synthesis. D CH3 OH NHCH (CH)NH + (CH3)2NH₂*CT continued on next page Сон + Cells NH₂ H + CHÍNH CHy 6. Which of the following would be soluble in dilute aqueous HCI? (a) NH₂ (c) NH₂ NH₂ (d) Two of the above (e) All of the above Which would yield propylamine? (a) (DNCN. Br (2)LIAIH NH, (b) H HyNi Bry (c) NH₂ OH (d) Two of the above OH (e) All of the above Select the reagent from the list below that could be the basis of a simple chemical test that would distinguish between each of the following: (a) CH CNH and CHCH₂NH₂ (b) CH CH₂NH and CH₂NHCH (c) ☑NE NH₂ and -NH; 1. Cold dilute NaHCO 2. Cold dilute HCI 3. NaNO2, HCI, 5°C, then 2-naphthol 4. CH,SO,CI, OH, then HC 5. Cold dilute NaOH