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Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C....
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
1. For each pair, circle the molecule with the lower pK and provide a brief explanation...
1. For each pair, circle the molecule with the lower pK and provide a brief explanation for your choice. wale wabon ---- 2. For each molecule, draw the two possible chair conformers and circle the preferred conformer. a) cis-1,3-dimethylcyclohexane trans-1,4-dimethylcyclohexane 3. Draw all distinct isomers of dimethylcyclopropane and show the relationship as enantiomer, diastereomer or meso. 4. In each of the following pairs of compounds one is chiral and the other achiral, Circle the chiral compound in each. a) CH,CHCH=CH...
1.A. Place an asterisk (*) next to each stereocenter of these four compounds. 1.3. Bubble in...
1.A. Place an asterisk (*) next to each stereocenter of these four compounds. 1.3. Bubble in if the compound is chiral or achiral. 1.C. Determine the stereochemical relationship between each possible pair. Br Br Br Br A B D chiral O achiral OO chiral achiral с Ochiral achiral 8 chiral achiral A and B: 000 identical enantiomers diastereomers none of these A and C: ооо identical enantiomers O diastereomers none of these A and D: оооооо O identical enantiomers diastereomers...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among the following a 1-hexene b. (E)-2-hexene 10. What is the relation between an enantiomer's configuration and its specific rotation? (a) Rcompounds usually are dextrorotatory with few exceptions (b) R compounds always are dextrorotatory. (c) There is no relation. (d) R compounds always are levorotatory 11. How many chiral centers are there in tartaric acid, and how many different stereoisomers exist for this acid? он...
8. Indicate whether each of the following statements is true or false. If a statement is...
8. Indicate whether each of the following statements is true or false. If a statement is false, explain why a) Two structural isomers may be chiral. : True b) A compound must be chiral in order to have an enantiomer. True c) A chiral compound with an asymmetric carbon atom designated always has a positive optical rotation. False (R) as d) Mirror-image molecules are always enantiomers. False chiral. False e) All compounds with asymmetric carbon atoms are f)The relative configuration...
How many of the following statements are true?
19) How many of the following statements are true? i) Enantiomers are always chiral ii) A molecule that has a plane of symmetry can never be chiral. iii) An achiral molecule will always have an enantiomer. iv) A chiral molecule will always have an enantiomer v) Enantiomers are always nonsuperimposable a) 0 b) 1 c) 2 d) 3 e) 4 ab) 520. Identify the stereochemistry in each of the following compounds as R or S.Give the correct IUPAC name for the following compounds. For alkenes, when appropriate, indicate...
Need help with orgo!!! Super badly! 1. Which of the molecules shown below are achiral? A)...
Need help with orgo!!! Super badly!
1. Which of the molecules shown below are achiral?
A) only A
B) only B
C) only C
D) only A and B
E) only A and C
F) only B and C
G) A, B and C
2. Which of the molecules shown
below are achiral?
A) only A
B) only B
C) only C
D) only A and B
E) only A and C
F) only B and C
G) A, B...
19-26 thanks! 19-29* PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of...
19-26 thanks!
19-29*
PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of 2,3-butanediol as you can. First, attach two carbons with a single bond. To each carbon add one carbon, one hydrogen, and one oxygen. To complete the structure, Ti the remaining hydrogen atoms. Remember, a model is not different if it is completely superimposable on one already constructed! 13. How many stereochemically different models are possible for 2,3-butanediol? 14. What characteristic does one of these...
17. Which of the following statements is true? ado on dai Jal A) Achiral molecules usually...
17. Which of the following statements is true? ado on dai Jal A) Achiral molecules usually contain a plane of symmetry B) With one tetrahedral stereogenic center, a molecule may or may not be chiral. C) With two or more stereogenic centers, a molecule is always chiral. D) Chiral molecules usually contain a plane of symmetry 18. Which of the following is the correct definition for a pair of enantiomers? A) A pair of stereoisomers that have a plane of...
need to see what i did right and wrong , if possible small explanation as to...
need to see what i did right and wrong , if possible small
explanation as to what was wrong
Br 1 eneae 3 ch1so butane Ано Designate the chiral center in each molecule, if there is one, with a star efhere ntert 1) Assign 1,2,3,4 priority based on atomic number of each atom bonded to the stereogenic or chiral center. 2) Try naming C, D amd G INCLUDE R and S configuration if present 1 etlee Pentane broms 3nitril CN...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
1. For each pair, circle the molecule with the lower pK and provide a brief explanation for your choice. wale wabon ---- 2. For each molecule, draw the two possible chair conformers and circle the preferred conformer. a) cis-1,3-dimethylcyclohexane trans-1,4-dimethylcyclohexane 3. Draw all distinct isomers of dimethylcyclopropane and show the relationship as enantiomer, diastereomer or meso. 4. In each of the following pairs of compounds one is chiral and the other achiral, Circle the chiral compound in each. a) CH,CHCH=CH...
1.A. Place an asterisk (*) next to each stereocenter of these four compounds. 1.3. Bubble in if the compound is chiral or achiral. 1.C. Determine the stereochemical relationship between each possible pair. Br Br Br Br A B D chiral O achiral OO chiral achiral с Ochiral achiral 8 chiral achiral A and B: 000 identical enantiomers diastereomers none of these A and C: ооо identical enantiomers O diastereomers none of these A and D: оооооо O identical enantiomers diastereomers...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among the following a 1-hexene b. (E)-2-hexene 10. What is the relation between an enantiomer's configuration and its specific rotation? (a) Rcompounds usually are dextrorotatory with few exceptions (b) R compounds always are dextrorotatory. (c) There is no relation. (d) R compounds always are levorotatory 11. How many chiral centers are there in tartaric acid, and how many different stereoisomers exist for this acid? он...
8. Indicate whether each of the following statements is true or false. If a statement is false, explain why a) Two structural isomers may be chiral. : True b) A compound must be chiral in order to have an enantiomer. True c) A chiral compound with an asymmetric carbon atom designated always has a positive optical rotation. False (R) as d) Mirror-image molecules are always enantiomers. False chiral. False e) All compounds with asymmetric carbon atoms are f)The relative configuration...
19) How many of the following statements are true? i) Enantiomers are always chiral ii) A molecule that has a plane of symmetry can never be chiral. iii) An achiral molecule will always have an enantiomer. iv) A chiral molecule will always have an enantiomer v) Enantiomers are always nonsuperimposable a) 0 b) 1 c) 2 d) 3 e) 4 ab) 520. Identify the stereochemistry in each of the following compounds as R or S.Give the correct IUPAC name for the following compounds. For alkenes, when appropriate, indicate...
19-26 thanks!
19-29*
PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of 2,3-butanediol as you can. First, attach two carbons with a single bond. To each carbon add one carbon, one hydrogen, and one oxygen. To complete the structure, Ti the remaining hydrogen atoms. Remember, a model is not different if it is completely superimposable on one already constructed! 13. How many stereochemically different models are possible for 2,3-butanediol? 14. What characteristic does one of these...
17. Which of the following statements is true? ado on dai Jal A) Achiral molecules usually contain a plane of symmetry B) With one tetrahedral stereogenic center, a molecule may or may not be chiral. C) With two or more stereogenic centers, a molecule is always chiral. D) Chiral molecules usually contain a plane of symmetry 18. Which of the following is the correct definition for a pair of enantiomers? A) A pair of stereoisomers that have a plane of...
need to see what i did right and wrong , if possible small
explanation as to what was wrong
Br 1 eneae 3 ch1so butane Ано Designate the chiral center in each molecule, if there is one, with a star efhere ntert 1) Assign 1,2,3,4 priority based on atomic number of each atom bonded to the stereogenic or chiral center. 2) Try naming C, D amd G INCLUDE R and S configuration if present 1 etlee Pentane broms 3nitril CN...
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