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Which of the following structures is not a phosphoester? (А) NH (В) Ос "CH₂ НО-Р-он о...
н* ОН о -с но он H Н E гон А B C D Select the two reactants that will give this product. ОА Ов ОС OD ОЕ OF
ОН НО НО. ОН ОН о НО. ОН ОН А. В-1-a-4 В. В-1-4 С.a-1-3-4 D. a-1-4
1a. For this question, select the LETTER of the structure that corresponds to the given Fischer projection. Select "NONE" if none of the structures are correct. но -н но-Ен нон он сн он CH2OH ни он СН2ОН Они — он он на он ин н но Он на и он н нон нон 1- — о сн,он СН2ОН но он Онон ХОН н на но Он ни ин нон 1b. For this question, select the LETTER of the structure that...
CНз С. CH 1 mol. Нас" ОН CH3 О НО—Р—ОН ОН ff Н2 Н2 С. ,HаС Но. 1 mol. CH2 Н,С. HО—Р—ОН ОН Оf+ О—-
Question 1 (1 point) Choose the reducing sugars (select all that apply): СН,ОН СН,ОН не — о он н ОН НА // Н v H ОН НА у н н н ОН н ОН CH,OH 1 ОНОН а снион и онон н СН,ОН ОН —0, ОН ОН ОН CH2OH -о- слъ We were unable to transcribe this imageQuestion 2 (1 point) Monosaccharide B can be cat Сн,ОН н Дон ү0 р. Н ОН HOCH2 ОН HV СН,ОН В. Г ОН...
НО. ог Но оr он о or or Тон OF ON NO, NH, For each pair of compounds above, select the one that will be more acidic. A or B? Cor D? E or F? Gor Н?
For each pair of species, predict which is the stronger base? 5. Он or 1. 2. or В в NH NH (a) (b) 6. Rank the following from most stable to least stable. 2. 3. 4. Нас Н-с O H -н CH H CH,сH, сн,сн CH,CH 7. Which cation would be the most stable? А. В. C. D. What is the order of increasing contribution to the resonance hybrid? 8. CF3 ÇF3 CF3 I II III
о, DMS RCO H Он но н'но) Он SOCI РСС ОН н'-но) SH Raney Ni HS н'*но) н' Но CH, Oн NH2 1) LAH ОН 2) H,O Shem 415 Question 1 (6 points). Provide IUPAC names for the following structures. Question 2 (14 points), Convert the following IUPAC names into structures. 2,4-dimethylcyclopent-2-enone 5-hydroxy-2-phenyl-3-hexanone (S)-2-bromo-2-methylcyclobutanone 3-methyl-5-(4-chlorophenyl) hexanal 3-isobutylbenzoic acid Acetic butanoic anhydride N-phenyl-N-propyl-2,3-dimethylbutanamide Page 2 o
Which of the following compound is used in making polyethylene terephthalate (PET)? (A) (С) о (8) C (D) о НО ос со НО нс с н сон сон U O Select one: О (А) (В) (c) (D)
Consider the following molecules: b. а. CHS CH3 O NH— CH—CH2—ОН NH2-CH-C-OH CHз d. C. CHз о Но-СН—С—ОН НО—С—С—С—ОН CH3 [Select ] i. Which of the molecules above is a secondary amine? ii. Which of the molecules above will be a zwitterion under physiological conditions (pH 7)? (Select) [Select ] ii. Which of the molecules above has two acidic protons?