Question 30 (2.5 points) Which stage of the following reaction scheme for the acid-catalysed hydrolysis of...
Question 11 (2.5 points) The following reaction proceeds with which of the following characteristics? 1. TsCI, PYR OH 2. NacN, acetone a) Elimination with inversion b) Substitution with retention c) Elimination with retention d) Substitution with inversion
Question 30 (2 points) What are the expected major products of the reaction sequence shown below? 1. 03 2. H20 e OH O=C=0 OH II III IV V O a) I and IV Ob) II, III and IV Oc) I and II O d) 1, III and IV Question 31 (2 points) A compound with a molecular formula of C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? 2 o OCH2CH2CH3 0...
QUESTION 20 Select the major product of the following reaction scheme: Reaction H 1 eq. H2NCH, 2 eq NaBH 25 °C Etон 25 °C H2CO vo D -CHE -CH₂ H3CO H3CO. OH OH 00 m H H3C H₂C-NH OH F go н,со Moca O (No Reaction) ol. A o II. B o Ill.c o IV.D .V. E o VI.F
How would you convert an unsaturated fatty acid into a saturated fatty acid A. KMnO4, "OH, heat B. "OH,H,O, heat; then H,0 C. Hz, Ni, pressure D. H,0,H,O, heat 26. What structure has the following proton NMR spectrum? 'H NMR: doublet, 6.6 ppm, 2H doublet, 7.8 ppm, 2H broad singlet, 4.2 ppm, 2H singlet, 2.1 ppm, 3H HUN 27. Which of the following is the correct synthesis of the compound shown? CH, Br o Na Na o CH,Br B. T...
Question 27 (2.5 points) What is the major product of the following reaction? OH SOCI: Pyridine r O w
Which step is incorrect in the following reaction! Dicho Do in Do D20+ in D20 CHO 020- А в None are incorrect (all are correct) OB Ос Which intermediate is involved in this base-promoted hydrolysis? NaOH/H2O OH + OCH OKOCH, 1 olo options Which sequence of reagents would accomplish this transformation? 1. NaOEt 2. (CH3),CHCH,BE 3. H,09, Heat 1. NaOEt 1. NaoEt 2. CH,CH,CH,CH,Br 2. (CH),CHCH,CH,Br 3. H30*, Heat 3. H,0*, Heat 1. NaOEt 2. (CH3),CHCH, CH,CH,Br 3. H30*, Heat...
Question 9 (2 points) Identify the final product for the following reaction. 1. BH THE 2. O2, NaOH OH OH doy HII oa) IV ob) III OC) od) 11 Question 10 (2 points) Provide the structure of the expected major organic product generated upon completion of the following reaction scheme: (CH)CCH_CH=CH, HB HO H (CH)CCH.CH (снуусан,он- 1 Br (CH2jcChych do (touche con IV oa) IV ob) 11 oc) od) DI
For questions 8 and 9, use the following reaction scheme which is part of the B-oxidation of a fatty acid. FAD FADH Compound 2 CoA Reaction A Compound 1 HO Reaction B OH NADH H NAD CoA Compound 4 Reaction C Compound 3 (9 pts) For each reaction A, B and C, shown above, correctly name the type of transformation that occurs during each of the 3 reactions, ie.: name the reaction that is occurring going from compound 1 to...
Question 20 (2.5 points) Which of the following is an oxidation-reduction reaction? A) CaCl2 + Na2SO4 - CaSO4(s) + 2NaCI B) KOH + HNO3 -> H2001) - KNO3 C) N269) 029) -- 2NO(g) D) AgNO3 + NaCl - AgCl (s)- NaNO3 E) Al2(SO4)3 + BKOH-2A(OH)3(g) + 3K2504
Question 11 (3 points) Which of the following best describes the reaction shown below? H,SO HO OH hydrogenation hydration neutralization hydrolysis dehydration ORI