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reagenti reagent3 I reagent 2 What is a) reagent 1 b) reagent 2 c) reagent 3...
3. Fill in the blank a) The acid catalyzed hydration of alkenes (addition of H2O/H₂SO4) is...
3. Fill in the blank a) The acid catalyzed hydration of alkenes (addition of H2O/H₂SO4) is pick foa polar mechanism with carboncation intermediate one a radical mechanism with carbonction intermediate a radical mecha a concerted reaction b) The reaction of alkene with Her in presence of peroxide (addition of HBr, RooR) is a (same options as before] C) The SN 2 reaction is • a radical reaction with carbon radial intermediate • a concerted reaction a polar reaction with carbon...
9. What is the major product of the following reaction? NaCl acetone low temperature a. 1 b, 2 c. 3 d. racemic mix...
9. What is the major product of the following reaction? NaCl acetone low temperature a. 1 b, 2 c. 3 d. racemic mix of 2 and 3 10. What reagent would you use to carry out the following reaction? OH H a. H2SO4 b. H.CO. c. HIO d. PCC 11. Which compound would be the major product of the following elimination reaction? CHCHONa. ethanol a. 1 b. 2 c. 3 d. 4 12. What is the correct order of stability...
answer multiple choice questions 28-33 Spring 201 (2 pounts) What is the major product of the following reaction sequence? 28. 1. H3o 2. Jones Reagent (CrO3+ H2SO4) 5. NaH 6. CH3Br Ph Ph Ph OC...
answer multiple choice questions 28-33
Spring 201 (2 pounts) What is the major product of the following reaction sequence? 28. 1. H3o 2. Jones Reagent (CrO3+ H2SO4) 5. NaH 6. CH3Br Ph Ph Ph OCH3 Ph OH OCH3 IV v. a) I b) II c) III points) Which of the following structures is the most stable (lowest energy)? d) IV e) V. 29. a) I b) II d) IV (2 pointa) Predict the major product of the following reaction. c)...
1Ozonolysis of alkenes yields Alcohol carboxylic acid b-ketones if one of the unsaturated carbon atoms is...
1Ozonolysis of alkenes yields Alcohol carboxylic acid b-ketones if one of the unsaturated carbon atoms is disubstituted d- alkane 23-Aldehyde C-0 is more polarized than ketone C-O because a-As in carbocations, more alkyl groups stabilize + character b-Ketone has more alkyl groups, stabilizing the C-O carbon inductively c- due to a andb d- none of the above 24-Aldehydes and unhindered ketones react with HCN to form a-Cyanohydrine b-alcohol c- alkyne d- alkene 25-addition of a Grignard reagent to formaldehyde followed...
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3...
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3 d. 4 43. What is the major organic product obtained from the reaction of 1-butanol with aqueous HBr at reflux? a. 1-bromobutane b. 2-bromobutane c. 2-bromo-1-butanol d. 1-butene 44. Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide? a. methanol b. ethanol 2-propanol d. 2-methyl-2-propanol C. 45.Which of the following alcohols undergoes the most H2SO4 to give rapid...
Starting with 1.0 g of 1-methylcyclohexanol, you recover 0.5 g of 1- methylcyclohexene. What is the...
Starting with 1.0 g of 1-methylcyclohexanol, you recover 0.5 g of 1- methylcyclohexene. What is the percent yield? 1) 100 2) 30 3) 49 4) 60 Question 3 (2 points) Which of the following cations is most stable? 1) the methyl cation 2) the tert-butyl cation 3) the iso-propyl cation Question 4 (2 points) What is the role of sulfuric acid in today's reaction? Question 4 (2 points) What is the role of sulfuric acid in today's reaction? 1) It...
stuck CHM 2210 Homework 14 "I have GOT to get me one of these!" C.1. What...
stuck
CHM 2210 Homework 14 "I have GOT to get me one of these!" C.1. What is the major organic product from the reaction of 2-methyl 2- butene with HBr? A. (S)-2-bromo-3-methyl butane Cz-bromo-2-methyl butane B. (R)-2-bromo-3-methyl butane D. racemic mix of A and B 2.2. What is the major organic product from the reaction of 2-methyl 2- butene with HBr in the presence of hydrogen peroxide? A. 2,3-dibromo-2-methyl butane B. (E)-1-bromo-2-methyl 2-butene C. 2-bromo-2-methyl butane 02-bromo-3-methyl butane 3. Show...
Name: 1 What is the major product of the following reaction? (CHдЬсo (CHЊ,сон Br IV A) I B) II C) III D) IV 2. What...
Name: 1 What is the major product of the following reaction? (CHдЬсo (CHЊ,сон Br IV A) I B) II C) III D) IV 2. What is the major elimination product obtained from the following reaction? NaOMe MeOH Br IV A) I B) II C) III D) IV 3. Which of the following is the most reactive substrate in an E2 reaction? CHiCH(Br)CH2CHs (CHs)sCBr CH3Br CH3CH2CH2CH2Br п ш IV I B) II С) ш D) IV A) I 4 Which of...
1. The most stable conformation of trans-3-ethyl-1-iodocyclohexane is a. Et b. C. d Et Et 2....
1. The most stable conformation of trans-3-ethyl-1-iodocyclohexane is a. Et b. C. d Et Et 2. a 3. Which of the following is NOT a resonance structure of ozone? b. a. d. All are valid resonance structures C. 4. Arrange the following bicyclic alkenes in order of increasing stability (least stable to most stable) II II d. Il<lll< C. I<ll<llI b. I<lll<ll a. Ill<ll< 5 What is the correct Lewis structure for CHsNCO? b. No 0 НС H,C- a. d....
3) Which of the following cations will react in an SN1 reaction? a) the methyl cation...
3) Which of the following cations will react in an SN1 reaction? a) the methyl cation b) tert butyl cation 4) If a compound shows a signal in the 13C NMR at 180 ppm, which functional group it will most likely have? a) Alcohol b) Amine c) Carbonyl group d) Aromatic ring 5) If I want to have a higher Rf for compound C what do I have to do? a) Increase the polarity of the solvent b) Decrease the...
3. Fill in the blank a) The acid catalyzed hydration of alkenes (addition of H2O/H₂SO4) is pick foa polar mechanism with carboncation intermediate one a radical mechanism with carbonction intermediate a radical mecha a concerted reaction b) The reaction of alkene with Her in presence of peroxide (addition of HBr, RooR) is a (same options as before] C) The SN 2 reaction is • a radical reaction with carbon radial intermediate • a concerted reaction a polar reaction with carbon...
9. What is the major product of the following reaction? NaCl acetone low temperature a. 1 b, 2 c. 3 d. racemic mix of 2 and 3 10. What reagent would you use to carry out the following reaction? OH H a. H2SO4 b. H.CO. c. HIO d. PCC 11. Which compound would be the major product of the following elimination reaction? CHCHONa. ethanol a. 1 b. 2 c. 3 d. 4 12. What is the correct order of stability...
answer multiple choice questions 28-33
Spring 201 (2 pounts) What is the major product of the following reaction sequence? 28. 1. H3o 2. Jones Reagent (CrO3+ H2SO4) 5. NaH 6. CH3Br Ph Ph Ph OCH3 Ph OH OCH3 IV v. a) I b) II c) III points) Which of the following structures is the most stable (lowest energy)? d) IV e) V. 29. a) I b) II d) IV (2 pointa) Predict the major product of the following reaction. c)...
1Ozonolysis of alkenes yields Alcohol carboxylic acid b-ketones if one of the unsaturated carbon atoms is disubstituted d- alkane 23-Aldehyde C-0 is more polarized than ketone C-O because a-As in carbocations, more alkyl groups stabilize + character b-Ketone has more alkyl groups, stabilizing the C-O carbon inductively c- due to a andb d- none of the above 24-Aldehydes and unhindered ketones react with HCN to form a-Cyanohydrine b-alcohol c- alkyne d- alkene 25-addition of a Grignard reagent to formaldehyde followed...
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3 d. 4 43. What is the major organic product obtained from the reaction of 1-butanol with aqueous HBr at reflux? a. 1-bromobutane b. 2-bromobutane c. 2-bromo-1-butanol d. 1-butene 44. Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide? a. methanol b. ethanol 2-propanol d. 2-methyl-2-propanol C. 45.Which of the following alcohols undergoes the most H2SO4 to give rapid...
Starting with 1.0 g of 1-methylcyclohexanol, you recover 0.5 g of 1- methylcyclohexene. What is the percent yield? 1) 100 2) 30 3) 49 4) 60 Question 3 (2 points) Which of the following cations is most stable? 1) the methyl cation 2) the tert-butyl cation 3) the iso-propyl cation Question 4 (2 points) What is the role of sulfuric acid in today's reaction? Question 4 (2 points) What is the role of sulfuric acid in today's reaction? 1) It...
stuck
CHM 2210 Homework 14 "I have GOT to get me one of these!" C.1. What is the major organic product from the reaction of 2-methyl 2- butene with HBr? A. (S)-2-bromo-3-methyl butane Cz-bromo-2-methyl butane B. (R)-2-bromo-3-methyl butane D. racemic mix of A and B 2.2. What is the major organic product from the reaction of 2-methyl 2- butene with HBr in the presence of hydrogen peroxide? A. 2,3-dibromo-2-methyl butane B. (E)-1-bromo-2-methyl 2-butene C. 2-bromo-2-methyl butane 02-bromo-3-methyl butane 3. Show...
Name: 1 What is the major product of the following reaction? (CHдЬсo (CHЊ,сон Br IV A) I B) II C) III D) IV 2. What is the major elimination product obtained from the following reaction? NaOMe MeOH Br IV A) I B) II C) III D) IV 3. Which of the following is the most reactive substrate in an E2 reaction? CHiCH(Br)CH2CHs (CHs)sCBr CH3Br CH3CH2CH2CH2Br п ш IV I B) II С) ш D) IV A) I 4 Which of...
1. The most stable conformation of trans-3-ethyl-1-iodocyclohexane is a. Et b. C. d Et Et 2. a 3. Which of the following is NOT a resonance structure of ozone? b. a. d. All are valid resonance structures C. 4. Arrange the following bicyclic alkenes in order of increasing stability (least stable to most stable) II II d. Il<lll< C. I<ll<llI b. I<lll<ll a. Ill<ll< 5 What is the correct Lewis structure for CHsNCO? b. No 0 НС H,C- a. d....
3) Which of the following cations will react in an SN1 reaction? a) the methyl cation b) tert butyl cation 4) If a compound shows a signal in the 13C NMR at 180 ppm, which functional group it will most likely have? a) Alcohol b) Amine c) Carbonyl group d) Aromatic ring 5) If I want to have a higher Rf for compound C what do I have to do? a) Increase the polarity of the solvent b) Decrease the...
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