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8. (8) Multiple choice. Circle the best answer. (2 pts each) Which of...
luently the functional group outside the boxed area aspirin C) carboxylic acid A) aspirin D) amide...
luently the functional group outside the boxed area aspirin C) carboxylic acid A) aspirin D) amide B) alcohol E) esters 8) Identify the diene and dienophile which would give the following product? MO 9. Which of the following compounds cannot react as a diene in a Diels-Alder reaction? HIC H;C Y A) B) > H2C Hic H₃C CH₃ D D CH; H₂C² 10. Which of the following is a reasonable definition of a concerted reaction? A) It is a reaction...
Which of the following molecules possess both stereogenic carbons and is a meso compound? For the...
Which of the following molecules possess both stereogenic
carbons and is a meso compound?
For the following molecule, which statement is correct
Which of the following will NOT increase the rate of an SN2
reaction?
6) Which of the following molecules possess both stereogenic carbons and is a meso compound? (I mark) CH3 Br Н- -ОН Н- -ОН Br Br Н. Br -OH НС Н CH2CH3 Molecule B Molecule D Molecule A Molecule C a) Molecule A b) Molecule B...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
1.) 2-amino-3-hydroxybutanoic acid 2.) 2,3-dinitrobutane A. Draw the skeletal structure (line-bond) for the following compounds. B....
1.) 2-amino-3-hydroxybutanoic acid
2.) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
1) 2-amino-3-hydroxybutanoic acid 2) 2,3-dinitrobutane A. Draw the skeletal structure (line-bond) for the following compounds. B....
1) 2-amino-3-hydroxybutanoic acid
2) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
Part I. Multiple Choice, select best answer. (1 pt each) 1. How many stereogenic centers are...
Part I. Multiple Choice, select best answer. (1 pt each) 1. How many stereogenic centers are in the following compound? (a) 2 (b) 3 (c) 4 (d) 5 2. Which of the following compounds is chiral?
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
please answer in multiple choice format What is the relationship between these two 23. What is...
please answer in multiple choice format
What is the relationship between these two 23. What is the relationship between these two molecules? molecules? BH BH que a. identical b. enantiomers c. diastereomers d. constitutional isomers 19. Which statement is FALSE about chiral molecules? a. Their chiral Carbons are sp hybridized. b. They have an internal plane of symmetry. c. They are optically active. d. Chiral centers are bonded to four different groups. a. enantiomers b. diastereomers c. identical d. unrelated...
Multiple Choice: Fill in circle on Scantron sheet with pencil. 1. Which of the following anions...
Multiple Choice: Fill in circle on Scantron sheet with pencil. 1. Which of the following anions is the best leaving group? A. NH2 B. CI C. CH3 D. OH E.H 2. Which of the following statements is (are) true about an SN2 reaction? A. The reaction is fastest with 1° halides. B. The reaction follows second-order kinetics. C. Changing the identity of the leaving group changes the rate of the reaction. D. Statements (The reaction is fastest with 1° halides)...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label the mechanism as E2 or E1. a. 2-bromo butane reacts with methoxide b. 1-chloro-1-ethyl 2 methyl cyclopentane reacts with water 2. For which reaction mechanism are each of the following statements true? Mechanism S1, S2, E1 or E2. A statement may be true for one or more mechanisms a. The mechanism involves carbocation intermediates b. The mechanism has two steps C. The reaction rate...
luently the functional group outside the boxed area aspirin C) carboxylic acid A) aspirin D) amide B) alcohol E) esters 8) Identify the diene and dienophile which would give the following product? MO 9. Which of the following compounds cannot react as a diene in a Diels-Alder reaction? HIC H;C Y A) B) > H2C Hic H₃C CH₃ D D CH; H₂C² 10. Which of the following is a reasonable definition of a concerted reaction? A) It is a reaction...
Which of the following molecules possess both stereogenic
carbons and is a meso compound?
For the following molecule, which statement is correct
Which of the following will NOT increase the rate of an SN2
reaction?
6) Which of the following molecules possess both stereogenic carbons and is a meso compound? (I mark) CH3 Br Н- -ОН Н- -ОН Br Br Н. Br -OH НС Н CH2CH3 Molecule B Molecule D Molecule A Molecule C a) Molecule A b) Molecule B...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
1.) 2-amino-3-hydroxybutanoic acid
2.) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
1) 2-amino-3-hydroxybutanoic acid
2) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
Part I. Multiple Choice, select best answer. (1 pt each) 1. How many stereogenic centers are in the following compound? (a) 2 (b) 3 (c) 4 (d) 5 2. Which of the following compounds is chiral?
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
please answer in multiple choice format
What is the relationship between these two 23. What is the relationship between these two molecules? molecules? BH BH que a. identical b. enantiomers c. diastereomers d. constitutional isomers 19. Which statement is FALSE about chiral molecules? a. Their chiral Carbons are sp hybridized. b. They have an internal plane of symmetry. c. They are optically active. d. Chiral centers are bonded to four different groups. a. enantiomers b. diastereomers c. identical d. unrelated...
Multiple Choice: Fill in circle on Scantron sheet with pencil. 1. Which of the following anions is the best leaving group? A. NH2 B. CI C. CH3 D. OH E.H 2. Which of the following statements is (are) true about an SN2 reaction? A. The reaction is fastest with 1° halides. B. The reaction follows second-order kinetics. C. Changing the identity of the leaving group changes the rate of the reaction. D. Statements (The reaction is fastest with 1° halides)...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label the mechanism as E2 or E1. a. 2-bromo butane reacts with methoxide b. 1-chloro-1-ethyl 2 methyl cyclopentane reacts with water 2. For which reaction mechanism are each of the following statements true? Mechanism S1, S2, E1 or E2. A statement may be true for one or more mechanisms a. The mechanism involves carbocation intermediates b. The mechanism has two steps C. The reaction rate...
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