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Which of the following molecules are chiral? L...
exam prep IV. Please draw the Fisher projection for each of the following molecules and determine the absolute confi...
exam prep
IV. Please draw the Fisher projection for each of the following molecules and determine the absolute configuration (S or R) for all chirality centers. (8 pts) H3C OH C (1) H CH3 Вiн-С NO2 CH(CH3)2 (2) V. Please draw the most stable conformation of trans-1-tert-butyl-3- methylcyclohexane and cis-1-tert-butyl-3-methylcyclohexane. (6 points)
IV. Please draw the Fisher projection for each of the following molecules and determine the absolute configuration (S or R) for all chirality centers. (8 pts) H3C OH...
NUM 55) How many stereogenic centers are present in the following compound County Name: it Name: A) 1 B) 2 ourse: D...
NUM 55) How many stereogenic centers are present in the following compound County Name: it Name: A) 1 B) 2 ourse: D) 4 Section: 56) Which of the following molecules are achiral? Exam D) I, II A) I, IV B) II, III C) III, IV 57) Which of the following molecules are chiral? I. cis-1,3-Dibromocyclohexane II. 1-Bromo-1-methylcyclohexane III. trans-1-Bromo-3-methylcyclohexane IV. cis-1-Bromo-3-methylcyclohexane A) II, III B) III, IV C) 1, IV D) 1, 58) Which of the following statements is true?...
can questions 7.74 A and B be answered please and question 7.75. numbered questions please 7.74...
can questions 7.74 A and B be answered please and question
7.75. numbered questions please
7.74 (9)-1-Bromo-1,2-diphenylethane reacts with a strong base to produce cis-stilbene and trans-stilbene: Br NaOET cis-Stilbene trans-Stilbene (major product) (a) This reaction is stereoselective, and the major product is trans- stilbene. Explain why the trans isomer is the predominant product. To do so, draw the Newman projections that lead to formation of each product and compare their stability. (b) When (R)-1-bromo-1,2-diphenylethane is used as the starting...
Please help me understand why this is the correct answer 5. which of the following alkyl...
Please help me understand why this is the correct answer
5. which of the following alkyl halides is most likely to undergo rearrangement in an SNI reaction? A) 2-chloro-3,3-dimethylpentane B) 1-bromo-4-methylcyclohexane C) 3-bromopentane D) 3-chloropentane CH3 c-C-C-L-C
Which is the correct product for the following reaction? Which is the correct major monobromination product...
Which is the correct product for the following reaction?
Which is the correct major monobromination product for the
following reaction?
9) Which is the correct product for the following reaction? (1 mark) H CH2CH3 H- Br H ci+H. + NaNz (excess) DMSO Í I CH2CH3 HEN H- H N3+H " CHCH HEN3 CH2CH3 HH AN3 CH2CH3 H Br HH HNz HTH CH2CH3 NgH HTH HEN CH CH3 CH3 CH3 CH3 CH3 10) Which is the correct major monobromination product for...
can someone please help me answer questions #10, #11, & #12 please with clear explanation and...
can someone please help me answer questions #10, #11, &
#12 please with clear explanation and neat handwriting!! will give
good rating:) make sure you are correct thank you so much!
Question 10 Consider the following molecules (1, II and III). CH3 CH2CH3 C CH2OH сн. C.CH C-CH2OH OH OHT Select all the chiral molecules. O All of them are chiral. None of them are chiral. (II) and (III) (I) and (11) O (l) and (III) Question 11 Consider the...
Please answer all 3 questions Status What is/are the major products of this reaction? HB ta...
Please answer all 3 questions
Status What is/are the major products of this reaction? HB ta (R)-3-bromo-2,3-dimethylpentane only (9)-3-bromo-2,3-dimethylpentane only a 50:50 mixture of (R) and (5) 3-bromo-2,3-dimethylpentane a 70:30 mixture of (R) and 53-bromo-2,3-dimethylpentane QUESTION 8 Which of the following is the most stable conformation of cis-1-isopropyl-3-methylcyclohexane? qua CHICH "CHICHI 2 QUESTION 9 What is the best reagent to complete this synthesis? CN OH 1. ??? 2. NaCN PBr3 (CH3)3 Sici SOCI TSCI Submit to save and submit. Click...
A. 1-cis, 2-cis B. 1-cis, 2=trans C. 1=trans, 2-cis D. 1: Enter Your Answer: OA OB...
A. 1-cis, 2-cis B. 1-cis, 2=trans C. 1=trans, 2-cis D. 1: Enter Your Answer: OA OB OC OD A Correct Draw the major product of the following reaction. Question 9 Br L -CH3 we 3-chs H3C CH3 Create OscerSketch Answer 9 Not Submitted Draw the major product of the following reaction. Question 10 H3CH HO CH3 Create OscerSketch Answer 10 Not Submitted Save Answers 8 Submissions Left
please answer all 4 thanks so much 2. Select the correct ranking of base strength for...
please answer all 4 thanks so much
2. Select the correct ranking of base strength for the amines shown (from weakest to strongest). NH2 NH2 NH2 NH2 I II III IV A. I<lll<ll<IV B. Ill<ll<IV</ k<ll<l/kIV D. IV<ll<lll</ Ware strong because the halorens are electronegative 3. Identify the product formed when 3-phenyl-3-oxopropanal is reacted with the ethylene diamine. NH2 Ho@ B.N C. DI E. None 4. What is the most probable structure for the intermediate in the reaction shown below...
I need some help to answer these following questions. Thanks. 66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compoun...
I need some help to answer these following questions.
Thanks.
66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compounds? 67. Br Br Br I < 11 < 111 (C) 68. What is the starting material for this reaction? NH3, H+ NaBH3CN NH2 он COCI согн Which compound will be protonated to the greatest extent in 1.0 x 10-3 mol/L aqueous HC1? 69. NH 2...
exam prep
IV. Please draw the Fisher projection for each of the following molecules and determine the absolute configuration (S or R) for all chirality centers. (8 pts) H3C OH C (1) H CH3 Вiн-С NO2 CH(CH3)2 (2) V. Please draw the most stable conformation of trans-1-tert-butyl-3- methylcyclohexane and cis-1-tert-butyl-3-methylcyclohexane. (6 points)
IV. Please draw the Fisher projection for each of the following molecules and determine the absolute configuration (S or R) for all chirality centers. (8 pts) H3C OH...
NUM 55) How many stereogenic centers are present in the following compound County Name: it Name: A) 1 B) 2 ourse: D) 4 Section: 56) Which of the following molecules are achiral? Exam D) I, II A) I, IV B) II, III C) III, IV 57) Which of the following molecules are chiral? I. cis-1,3-Dibromocyclohexane II. 1-Bromo-1-methylcyclohexane III. trans-1-Bromo-3-methylcyclohexane IV. cis-1-Bromo-3-methylcyclohexane A) II, III B) III, IV C) 1, IV D) 1, 58) Which of the following statements is true?...
can questions 7.74 A and B be answered please and question
7.75. numbered questions please
7.74 (9)-1-Bromo-1,2-diphenylethane reacts with a strong base to produce cis-stilbene and trans-stilbene: Br NaOET cis-Stilbene trans-Stilbene (major product) (a) This reaction is stereoselective, and the major product is trans- stilbene. Explain why the trans isomer is the predominant product. To do so, draw the Newman projections that lead to formation of each product and compare their stability. (b) When (R)-1-bromo-1,2-diphenylethane is used as the starting...
Please help me understand why this is the correct answer
5. which of the following alkyl halides is most likely to undergo rearrangement in an SNI reaction? A) 2-chloro-3,3-dimethylpentane B) 1-bromo-4-methylcyclohexane C) 3-bromopentane D) 3-chloropentane CH3 c-C-C-L-C
Which is the correct product for the following reaction?
Which is the correct major monobromination product for the
following reaction?
9) Which is the correct product for the following reaction? (1 mark) H CH2CH3 H- Br H ci+H. + NaNz (excess) DMSO Í I CH2CH3 HEN H- H N3+H " CHCH HEN3 CH2CH3 HH AN3 CH2CH3 H Br HH HNz HTH CH2CH3 NgH HTH HEN CH CH3 CH3 CH3 CH3 CH3 10) Which is the correct major monobromination product for...
can someone please help me answer questions #10, #11, &
#12 please with clear explanation and neat handwriting!! will give
good rating:) make sure you are correct thank you so much!
Question 10 Consider the following molecules (1, II and III). CH3 CH2CH3 C CH2OH сн. C.CH C-CH2OH OH OHT Select all the chiral molecules. O All of them are chiral. None of them are chiral. (II) and (III) (I) and (11) O (l) and (III) Question 11 Consider the...
Please answer all 3 questions
Status What is/are the major products of this reaction? HB ta (R)-3-bromo-2,3-dimethylpentane only (9)-3-bromo-2,3-dimethylpentane only a 50:50 mixture of (R) and (5) 3-bromo-2,3-dimethylpentane a 70:30 mixture of (R) and 53-bromo-2,3-dimethylpentane QUESTION 8 Which of the following is the most stable conformation of cis-1-isopropyl-3-methylcyclohexane? qua CHICH "CHICHI 2 QUESTION 9 What is the best reagent to complete this synthesis? CN OH 1. ??? 2. NaCN PBr3 (CH3)3 Sici SOCI TSCI Submit to save and submit. Click...
A. 1-cis, 2-cis B. 1-cis, 2=trans C. 1=trans, 2-cis D. 1: Enter Your Answer: OA OB OC OD A Correct Draw the major product of the following reaction. Question 9 Br L -CH3 we 3-chs H3C CH3 Create OscerSketch Answer 9 Not Submitted Draw the major product of the following reaction. Question 10 H3CH HO CH3 Create OscerSketch Answer 10 Not Submitted Save Answers 8 Submissions Left
please answer all 4 thanks so much
2. Select the correct ranking of base strength for the amines shown (from weakest to strongest). NH2 NH2 NH2 NH2 I II III IV A. I<lll<ll<IV B. Ill<ll<IV</ k<ll<l/kIV D. IV<ll<lll</ Ware strong because the halorens are electronegative 3. Identify the product formed when 3-phenyl-3-oxopropanal is reacted with the ethylene diamine. NH2 Ho@ B.N C. DI E. None 4. What is the most probable structure for the intermediate in the reaction shown below...
I need some help to answer these following questions.
Thanks.
66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compounds? 67. Br Br Br I < 11 < 111 (C) 68. What is the starting material for this reaction? NH3, H+ NaBH3CN NH2 он COCI согн Which compound will be protonated to the greatest extent in 1.0 x 10-3 mol/L aqueous HC1? 69. NH 2...
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