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Integrated Problem 14.67 x Incorrect. Choose the expected isotope pattern that would be observed in the...
the differences between the spectra. Comment on the isotope patterns that you expect to see for...
the differences between the spectra. Comment on the isotope patterns that you expect to see for each peak Probl peaks at m: 181 (100%), 182 (4.5 %). and 184 (3.4s) were observed. The (see Appendix 5) spectrum revealed peaks at mz 415 (6.4%), 417 (100%), 418 (13.1% ) , 419 (10.2 %), 421 (30.1%), 422 (3.9%) am Relative intensities (%) for different ratios AgNO3 : PPh (a) Account for the results, statin 1:1, 1:2 spectrum was recorded in positive negative...
PRINTER VERSION BACK NEXT Integrated Problem 22.91 x Incorrect. Nicotine is well known for its addictive...
PRINTER VERSION BACK NEXT Integrated Problem 22.91 x Incorrect. Nicotine is well known for its addictive characteristic in cigarettes. Interestingly, it has also been suggested to have potential therapeutic potential in central nervous system disorders such as Alzheimer's disease, Parkinson's disease, and depression. However, due to the toxic side effects of nicotine, derivatives are being developed, such as compound 2, which shows much lower toxicity and exhibits analgesic (pain-inhibiting) properties (Bioorg. Med. Chem. Lett. 2006, 16, 2013-2016). Provide an efficient...
II. Number of Signals 2. Predict the number of unique protons that would generate peaks in an NMR spectrum. Look at...
II. Number of Signals 2. Predict the number of unique protons that would generate peaks in an NMR spectrum. Look at Figure 13.6 and example problem 13.2 for guidance. Then for each of these unique proton signals, predict the ppm range where you would find it and the integration value or signal area. Look at figure 13.7 in your textbook. Finally, determine the splitting pattern (multiplicity) of the signal. This is predicted using the n+1 rule. Watch the video for...
H HA How many peaks would be expected for A in a H NMR spectrum for...
H HA How many peaks would be expected for A in a H NMR spectrum for the above compound? 3 8 4 6 rio NaOH + H2O What is the major product of the above reaction? OCH, OCH 00 С Rank the above compounds in order of decreasing reactivity in electrophilic aromatic substitution reactions C>A>B>E>D O C>E>A>B>D OC>D>E>A>B C>D>A>B>E 1) CH3CH2MgBr (xs) 2) H30* What is the major product of the reaction? OH HO OH HO No reaction ОН PCC...
Please finish answering #3, 5 & 6 1. Show all your work for converting the elemental...
Please finish answering #3, 5 & 6
1. Show all your work for converting the elemental analysis data to a molecular formula, 53.31, 4.4315+2.214 ).71122 12 o107 11.13 11.019& 2.214 = 4.117- /2 1.00714 2.21142.2114( 2 )5, १११4 Cro back 2. Show all your work for calculating the degrees of unsaturation for your unknown. 1o 2N 2 4 2.4+2 3. What it the m/z value of the expected parent ion? Calculate the expected intensity of the [M+1] ion relative to...
TABLE II. Probability of Independent Events Occurring COMBINATIONS OBSERVED % EXPECTED OBSERVED 1% EXPECTED % 27500...
TABLE II. Probability of Independent Events Occurring COMBINATIONS OBSERVED % EXPECTED OBSERVED 1% EXPECTED % 27500 DEVIATION Heads-Heads 1754 10 25 60000 Heads-Tails or Tails-Heads 20 50 + 4 16000 Tails-Tails o 600/0 22.560 100% 10 40 25 100% -1 o 5000 Total 1000 PART III: Probability and Mendelian Genetics we can use the probability to predict the probability of given genetic traits appearing in the offspring of particular parents. Punnett squares can also be used to obtain these results....
1. Interpreting the Table 1. For the following exercise, reference Figure 13.8 in your textbook or...
1. Interpreting the Table 1. For the following exercise, reference Figure 13.8 in your textbook or e-book, and watch the video for that figure in the e-book, For each labelled proton, indicate the ppm range you would expect to find it in for an NMR spectrum. Don't over-think it, just use the chart at this point (Note: In many cases, especially in biochemistry, there will be many complicating factors - here we are just looking at the simple model). CH...
1) Predict the number of signals expected in the proton spin decoupled 13C NMR spectrum of...
1) Predict the number of signals expected in the proton spin decoupled 13C NMR spectrum of the compound shown below 2) Which of the molecules below has the largest number of chemically distinct protons? a. Methyl propyl ether b, 2-butanone c. Diethyl ether 3) What would you expect the integration ratio to be for the protons, in order of chemical shift from TMS, in the molecule below? a. 4:3 b. 6:4 c. 3:3:2:2 d. 3:2 4) Select the functional group...
Practice ACS questions: Choose the compound which would be insoluble in aq. sodium hydroxide solution. а)...
Practice ACS questions:
Choose the compound which would be insoluble in aq. sodium hydroxide solution. а) H H -g" aф-о e о a О о This semester you learned about the Grignard reactions of aldehydes and ketones. Which of the following compounds can not be synthesized by the Grignard reaction of the corresponding aldehyde/ketone with EtMgBr followed by acidic work up. (MULTIPLE ANSWER) OCH (A) (D) OH OH OCH2CH3 OH OD ПС ПВ ОА For the following Grignard reaction, select...
1) The missing mass problem is a) starlight is observed, but there is no evidence of...
1) The missing mass problem is a) starlight is observed, but there is no evidence of mass b) the amount of mass measured is less than the amount of light measured c) starlight follows the same distribution as mass d) there are indications of mass from motion but no light e) spacetime is warped by mass 2) The rotation curve of the Galaxy is a) flat in the core, planet-like in the disk b) wheel-like in the core, flat in...
the differences between the spectra. Comment on the isotope patterns that you expect to see for each peak Probl peaks at m: 181 (100%), 182 (4.5 %). and 184 (3.4s) were observed. The (see Appendix 5) spectrum revealed peaks at mz 415 (6.4%), 417 (100%), 418 (13.1% ) , 419 (10.2 %), 421 (30.1%), 422 (3.9%) am Relative intensities (%) for different ratios AgNO3 : PPh (a) Account for the results, statin 1:1, 1:2 spectrum was recorded in positive negative...
PRINTER VERSION BACK NEXT Integrated Problem 22.91 x Incorrect. Nicotine is well known for its addictive characteristic in cigarettes. Interestingly, it has also been suggested to have potential therapeutic potential in central nervous system disorders such as Alzheimer's disease, Parkinson's disease, and depression. However, due to the toxic side effects of nicotine, derivatives are being developed, such as compound 2, which shows much lower toxicity and exhibits analgesic (pain-inhibiting) properties (Bioorg. Med. Chem. Lett. 2006, 16, 2013-2016). Provide an efficient...
II. Number of Signals 2. Predict the number of unique protons that would generate peaks in an NMR spectrum. Look at Figure 13.6 and example problem 13.2 for guidance. Then for each of these unique proton signals, predict the ppm range where you would find it and the integration value or signal area. Look at figure 13.7 in your textbook. Finally, determine the splitting pattern (multiplicity) of the signal. This is predicted using the n+1 rule. Watch the video for...
H HA How many peaks would be expected for A in a H NMR spectrum for the above compound? 3 8 4 6 rio NaOH + H2O What is the major product of the above reaction? OCH, OCH 00 С Rank the above compounds in order of decreasing reactivity in electrophilic aromatic substitution reactions C>A>B>E>D O C>E>A>B>D OC>D>E>A>B C>D>A>B>E 1) CH3CH2MgBr (xs) 2) H30* What is the major product of the reaction? OH HO OH HO No reaction ОН PCC...
Please finish answering #3, 5 & 6
1. Show all your work for converting the elemental analysis data to a molecular formula, 53.31, 4.4315+2.214 ).71122 12 o107 11.13 11.019& 2.214 = 4.117- /2 1.00714 2.21142.2114( 2 )5, १११4 Cro back 2. Show all your work for calculating the degrees of unsaturation for your unknown. 1o 2N 2 4 2.4+2 3. What it the m/z value of the expected parent ion? Calculate the expected intensity of the [M+1] ion relative to...
TABLE II. Probability of Independent Events Occurring COMBINATIONS OBSERVED % EXPECTED OBSERVED 1% EXPECTED % 27500 DEVIATION Heads-Heads 1754 10 25 60000 Heads-Tails or Tails-Heads 20 50 + 4 16000 Tails-Tails o 600/0 22.560 100% 10 40 25 100% -1 o 5000 Total 1000 PART III: Probability and Mendelian Genetics we can use the probability to predict the probability of given genetic traits appearing in the offspring of particular parents. Punnett squares can also be used to obtain these results....
1. Interpreting the Table 1. For the following exercise, reference Figure 13.8 in your textbook or e-book, and watch the video for that figure in the e-book, For each labelled proton, indicate the ppm range you would expect to find it in for an NMR spectrum. Don't over-think it, just use the chart at this point (Note: In many cases, especially in biochemistry, there will be many complicating factors - here we are just looking at the simple model). CH...
1) Predict the number of signals expected in the proton spin decoupled 13C NMR spectrum of the compound shown below 2) Which of the molecules below has the largest number of chemically distinct protons? a. Methyl propyl ether b, 2-butanone c. Diethyl ether 3) What would you expect the integration ratio to be for the protons, in order of chemical shift from TMS, in the molecule below? a. 4:3 b. 6:4 c. 3:3:2:2 d. 3:2 4) Select the functional group...
Practice ACS questions:
Choose the compound which would be insoluble in aq. sodium hydroxide solution. а) H H -g" aф-о e о a О о This semester you learned about the Grignard reactions of aldehydes and ketones. Which of the following compounds can not be synthesized by the Grignard reaction of the corresponding aldehyde/ketone with EtMgBr followed by acidic work up. (MULTIPLE ANSWER) OCH (A) (D) OH OH OCH2CH3 OH OD ПС ПВ ОА For the following Grignard reaction, select...
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