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5) 5) How many singlets will the IH NMR spectrum of 2-bromo-3-methyl-2-butene exhibit? A) 1 B)...
6) How many signals does the IH NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5...
6) How many signals does the IH NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C)6 D) E) 6) 7) - 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding C) dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The best leaving group is a A) weak acid. B) strong base C) strong acid. D) weak base. E) none of the above. 9) 9)...
1) What is the main intramolecular force between two molecules of propanoic acid? A) hydrogen bonding...
1) What is the main intramolecular force between two molecules of propanoic acid? A) hydrogen bonding B) London dispersion forces C) dipole-dipole interaction D) induced dipole interactions 2) Acetyl chloride undergoes nucleophilic acyl substitution faster than methyl acetate because A) methoxide ion is a better leaving group than chloride ion. B) the ester is more sterically hindered than the acyl chloride. C) chloride ion is a better leaving group than methoxide ion. D) esters hydrolyze faster than acid chlorides. 3)...
1.The main product of the reaction between p-cresol and Br2 / FeBr3 is: 3-Bromo-4-methyl phenol 2-Bromo-4-methyl...
1.The main product of the reaction between p-cresol and Br2 / FeBr3 is: 3-Bromo-4-methyl phenol 2-Bromo-4-methyl phenol 2-methyl-4-bromine phenol 3-methyl-4-bromine phenol 2.Which of the following compounds is the least reactive in the nucleophilic substitution with NaOH? 2,4-dinitrochlorobenzene m-nitrochlorobenzene o-nitrochlorobenzene 3,5-dinitrochlorobenzene 3.What is the mechanism (s) for the reaction of 4-bromo-1-nitrobenzene with sodium hydroxide to form 4-nitrophenol? bimolecular nucleophilic substitution (Sn2) aromatic nucleophilic substitution by addition-elimination aromatic nucleophilic substitution by elimination-addition aromatic electrophilic substitution 4.which of the following is the correct...
NON N(CH3)2 Na 0,5 Na Os N - N(CH3)2 1. methyl orange, an acid-base indicator HC...
NON N(CH3)2 Na 0,5 Na Os N - N(CH3)2 1. methyl orange, an acid-base indicator HC HC H excess NH NH4Cl 2. H H NH2 a = Electrophilic addition d = Sy2 Nucleophilic substitution g=Nucleophilic subs at carbonylacyl Xfer) b =E2 Elimination e-Electrophilic aromatic substitution h = Conjugate (nucleophilic) addn c=Syl Nucleophilic substitution 1=Carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters ai for your answers
1-Iodo-3-methylbutane has how many signals in its 1H NMR spectrum? Question 1 options: 3 4 5...
1-Iodo-3-methylbutane has how many signals in its 1H NMR spectrum? Question 1 options: 3 4 5 6 How many doublets are in the proton NMR spectrum of 1-iodo-3-methylbutane? Question 2 options: 0 1 2 3 What is the index of hydrogen deficiency for a compound with the formula C9H16? Question 3 options: 0 1 2 3 The addition of Br2 to which compound will NOT result in the formation of a racemic mixture? Question 4 options: 2-methyl-1-propene cyclobutene 1-butene 2-methyl-2-butene
N(CH3)3 OH 1. heat 95% 5% (E & Z) он 2. H2N a - Proton transfer dSN2 Nucleophilic substitution b- Lewis acid/base e-Electrophilic aromatic substitution c=E2 elimination f= g Nucleophilic subs at...
N(CH3)3 OH 1. heat 95% 5% (E & Z) он 2. H2N a - Proton transfer dSN2 Nucleophilic substitution b- Lewis acid/base e-Electrophilic aromatic substitution c=E2 elimination f= g Nucleophilic subs at carbonyl(acyl Xfer) h-Conjugate (nucleophilic) addn r-carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a i for your answers. 1. 2.
N(CH3)3 OH 1. heat 95% 5% (E & Z) он 2. H2N a -...
(References O-COCH . . OH HCI 2. HCI + HO a Proton transfer b-Lewis acid/base c...
(References O-COCH . . OH HCI 2. HCI + HO a Proton transfer b-Lewis acid/base c Radical chain substitution d-Radical chain addition e Electrophilic addition fE1 Elimination B-E2 Elimination Syl Nucleophilic substitution i S2 Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a- I for your answers, 2. Retry Ente Group 7 more group attempts remaining OH NHE NH CHE OCCH_CH_CHE- NH OH OCCH_CH.CH NH Biosynthesis of...
1. Li 2. aq. NaOH reflux Cl NaCI+H20 a Proton transfer b Lewis acid/base c E2...
1. Li 2. aq. NaOH reflux Cl NaCI+H20 a Proton transfer b Lewis acid/base c E2 elimination d SN2 Nucleophilic substitution e-Electrophilic aromatic substitution f Carbonyl nucleophilic addn g Nucleophilic subs at carbonyl(acyl Xfer) h = Conjugate (nucleophilic) addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1. 2. 1.8% Hyc's、CH, + H CH3 2. N(CHs CI a Proton transfer b-Lewis acid/base E2...
1. How many distinct signals are expected in the proton-decoupled 13C NMR spectrum of 4-methyl-2-pentanol A....
1. How many distinct signals are expected in the proton-decoupled 13C NMR spectrum of 4-methyl-2-pentanol A. 3 B.4 C. 5 D. 6 2) what splitting pattern is observed in the proton NMR spectrum for the indicated BOLDED hydrogens CH3OCH2CH2CH2OCH3 a. Singlet B. doublet C. Triplet D. quartet
A) B) For the A, it is not 1:f, 2:d , it is wrong 1. +NaOH...
A)
B)
For the A, it is not 1:f, 2:d , it is wrong
1. +NaOH HBrHo +HBrH20 Br BF3 - BF3 g SN1 Nucleophilic substitution h SN2 Nucleophilic substitution a = Proton transfer b Lewis acid/base c Radical chain substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a-i for your answers. d = Electrophilic addition e E1 Elimination f E2 Elimination 2.
6) How many signals does the IH NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C)6 D) E) 6) 7) - 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding C) dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The best leaving group is a A) weak acid. B) strong base C) strong acid. D) weak base. E) none of the above. 9) 9)...
1) What is the main intramolecular force between two molecules of propanoic acid? A) hydrogen bonding B) London dispersion forces C) dipole-dipole interaction D) induced dipole interactions 2) Acetyl chloride undergoes nucleophilic acyl substitution faster than methyl acetate because A) methoxide ion is a better leaving group than chloride ion. B) the ester is more sterically hindered than the acyl chloride. C) chloride ion is a better leaving group than methoxide ion. D) esters hydrolyze faster than acid chlorides. 3)...
NON N(CH3)2 Na 0,5 Na Os N - N(CH3)2 1. methyl orange, an acid-base indicator HC HC H excess NH NH4Cl 2. H H NH2 a = Electrophilic addition d = Sy2 Nucleophilic substitution g=Nucleophilic subs at carbonylacyl Xfer) b =E2 Elimination e-Electrophilic aromatic substitution h = Conjugate (nucleophilic) addn c=Syl Nucleophilic substitution 1=Carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters ai for your answers
N(CH3)3 OH 1. heat 95% 5% (E & Z) он 2. H2N a - Proton transfer dSN2 Nucleophilic substitution b- Lewis acid/base e-Electrophilic aromatic substitution c=E2 elimination f= g Nucleophilic subs at carbonyl(acyl Xfer) h-Conjugate (nucleophilic) addn r-carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a i for your answers. 1. 2.
N(CH3)3 OH 1. heat 95% 5% (E & Z) он 2. H2N a -...
(References O-COCH . . OH HCI 2. HCI + HO a Proton transfer b-Lewis acid/base c Radical chain substitution d-Radical chain addition e Electrophilic addition fE1 Elimination B-E2 Elimination Syl Nucleophilic substitution i S2 Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a- I for your answers, 2. Retry Ente Group 7 more group attempts remaining OH NHE NH CHE OCCH_CH_CHE- NH OH OCCH_CH.CH NH Biosynthesis of...
1. Li 2. aq. NaOH reflux Cl NaCI+H20 a Proton transfer b Lewis acid/base c E2 elimination d SN2 Nucleophilic substitution e-Electrophilic aromatic substitution f Carbonyl nucleophilic addn g Nucleophilic subs at carbonyl(acyl Xfer) h = Conjugate (nucleophilic) addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1. 2. 1.8% Hyc's、CH, + H CH3 2. N(CHs CI a Proton transfer b-Lewis acid/base E2...
A)
B)
For the A, it is not 1:f, 2:d , it is wrong
1. +NaOH HBrHo +HBrH20 Br BF3 - BF3 g SN1 Nucleophilic substitution h SN2 Nucleophilic substitution a = Proton transfer b Lewis acid/base c Radical chain substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a-i for your answers. d = Electrophilic addition e E1 Elimination f E2 Elimination 2.
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