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please explain both
none of these 52. Which of the following compounds will display only two...
1) What is/are the product (s) in the following reaction so,0, A) I only B) Il...
1) What is/are the product (s) in the following reaction so,0, A) I only B) Il only C) III only D) II and IV E) I and IV 2) A -NO2 substituent on the aromatic ring is a _in electrophilic aromatic substitution reactions. A) a deactivator and a m-director. B) a deactivator and an o,p-director. C) an activator and a m-director. D) an activator and an o,p-director. 3) Which compound would be expected to show a broad peak around 3000cm-1?...
II. NMR Spectroscopy. Show your work with some brief notes/explanations and any calculations as needed. 1....
II. NMR Spectroscopy. Show your work with some brief notes/explanations and any calculations as needed. 1. The expected 'H NMR spectrum of the following compound is expected to have signals with multiplicities A. three; two doublets and a triplet C.four, two singlets, a double and a triplet E. None of these B.three; a singlet, a doublet and a quartet D.four, two singlets and two triplets 2. Which of the following is the best prediction of the chemical shifts for the...
practice quiz 1. (3 pts) For each of the following compounds, indicate whether the two protons...
practice quiz
1. (3 pts) For each of the following compounds, indicate whether the two protons shown are homotopic, enantiotopic, or diastereotopic. 2. (8 pts) Indicate the number of signals each of the following compounds would show in their 'Hand C NMR spectra: OME 'H__ _ H__ __ H__ __ H__ "C 3. (10 pts) For each of the following compounds, determine the multiplicity of each signal in the H NMR spectrum: la xiu ood ex gx x x 4....
Organic Lab Technique Problem Set 1) How many different sets of equivalent protons are there in...
Organic Lab Technique Problem Set 1) How many different sets of equivalent protons are there in the following compound? CI CH3CCH2C(CH3)3 CH3 5. Which or the spect A. three B. four C. five D. six 2) Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. CC14 B. CHCl3 C. CH2C12 D. CH3CI 3) Which of the following has only a single peak in its proton NMR spectrum? I. (CH3)3CCI II. (CH3)2C=C(CH3)2 H,C...
Please explain all steps. Include degrees of unsaturation, functional groups, and signals used to determine structure. For the compounds listed below: 1. (18 points) Label each set of chemically equi...
Please explain all steps. Include degrees of
unsaturation, functional groups, and signals used to determine
structure.
For the compounds listed below: 1. (18 points) Label each set of chemically equivalent protons, using a for the set that will be have the lowest frequency (most upfield) in the 1H NMR spectrum, b for the next a. lowest, and so on. of each set of the equivalent protons. expected for each compound. b. Indicate the splitting pattern (singlet, doublet, triplet...) for expected...
II Indicate the number of signals in 'H NMR and 3C NMR of the following compounds....
II Indicate the number of signals in 'H NMR and 3C NMR of the following compounds. And mark the multiplicity on each proton directly not in the table (s- singlet, d-doublet, t-triplet, q-quartet, p-pentet, h-hextet, m-multiplet....) a. b. d. CI Cl CI Ci a. b. C. d. H NMR signals 13C NMR
Can you explain problem 12 and 13 for me I have the right answers I just...
Can you explain problem 12 and 13 for me I have the right
answers I just don't know how to know the difference. For 12 I was
stuck between A and B and for 13 I was also stuck between A and
B
( 12. Which compound below fits the following proton NMR data? triplet singlet quartet 81.22 (3H) 81.98 (3H). 84.07 (2H) A. ALO ZH-quartet 34 - triplet 3H-singlet hu 0 B) CH3COCH2CH3 A) CH3CH2COCH3 OCH3 DU CH,CCH OCH3...
protons Ha and Hb in the following compound are Question 22 Determine the multiplicity of each...
protons Ha and Hb in the following compound are
Question 22 Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound. IV v 2 VII 11 VI I- II III - IV - V- VI - VII
Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound....
Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound. HII IV -V Il II III IV
18) How many signals would you expect to see in the 1H NMR spectrum of the...
18) How many signals would you expect to see in the 1H NMR spectrum of the following compound? 18) NI CH3CH2CH2CCH3 A) 6 B) 4 C)2 D) 5 E) 3 3 19) What splitting pattern is observed in the 1H NMR spectrum for the indicated hydrogens? OCH CH3 19) - D) quartet E) septet A) singlet B) doublet C) triplet 20) Which of the following alcohols dehydrates most rapidly? 1 -OH IV. CH3- 20) CH3- II. CH3 OH Cox HO...
1) What is/are the product (s) in the following reaction so,0, A) I only B) Il only C) III only D) II and IV E) I and IV 2) A -NO2 substituent on the aromatic ring is a _in electrophilic aromatic substitution reactions. A) a deactivator and a m-director. B) a deactivator and an o,p-director. C) an activator and a m-director. D) an activator and an o,p-director. 3) Which compound would be expected to show a broad peak around 3000cm-1?...
II. NMR Spectroscopy. Show your work with some brief notes/explanations and any calculations as needed. 1. The expected 'H NMR spectrum of the following compound is expected to have signals with multiplicities A. three; two doublets and a triplet C.four, two singlets, a double and a triplet E. None of these B.three; a singlet, a doublet and a quartet D.four, two singlets and two triplets 2. Which of the following is the best prediction of the chemical shifts for the...
practice quiz
1. (3 pts) For each of the following compounds, indicate whether the two protons shown are homotopic, enantiotopic, or diastereotopic. 2. (8 pts) Indicate the number of signals each of the following compounds would show in their 'Hand C NMR spectra: OME 'H__ _ H__ __ H__ __ H__ "C 3. (10 pts) For each of the following compounds, determine the multiplicity of each signal in the H NMR spectrum: la xiu ood ex gx x x 4....
Organic Lab Technique Problem Set 1) How many different sets of equivalent protons are there in the following compound? CI CH3CCH2C(CH3)3 CH3 5. Which or the spect A. three B. four C. five D. six 2) Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. CC14 B. CHCl3 C. CH2C12 D. CH3CI 3) Which of the following has only a single peak in its proton NMR spectrum? I. (CH3)3CCI II. (CH3)2C=C(CH3)2 H,C...
Please explain all steps. Include degrees of
unsaturation, functional groups, and signals used to determine
structure.
For the compounds listed below: 1. (18 points) Label each set of chemically equivalent protons, using a for the set that will be have the lowest frequency (most upfield) in the 1H NMR spectrum, b for the next a. lowest, and so on. of each set of the equivalent protons. expected for each compound. b. Indicate the splitting pattern (singlet, doublet, triplet...) for expected...
II Indicate the number of signals in 'H NMR and 3C NMR of the following compounds. And mark the multiplicity on each proton directly not in the table (s- singlet, d-doublet, t-triplet, q-quartet, p-pentet, h-hextet, m-multiplet....) a. b. d. CI Cl CI Ci a. b. C. d. H NMR signals 13C NMR
Can you explain problem 12 and 13 for me I have the right
answers I just don't know how to know the difference. For 12 I was
stuck between A and B and for 13 I was also stuck between A and
B
( 12. Which compound below fits the following proton NMR data? triplet singlet quartet 81.22 (3H) 81.98 (3H). 84.07 (2H) A. ALO ZH-quartet 34 - triplet 3H-singlet hu 0 B) CH3COCH2CH3 A) CH3CH2COCH3 OCH3 DU CH,CCH OCH3...
protons Ha and Hb in the following compound are
Question 22 Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound. IV v 2 VII 11 VI I- II III - IV - V- VI - VII
Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound. HII IV -V Il II III IV
18) How many signals would you expect to see in the 1H NMR spectrum of the following compound? 18) NI CH3CH2CH2CCH3 A) 6 B) 4 C)2 D) 5 E) 3 3 19) What splitting pattern is observed in the 1H NMR spectrum for the indicated hydrogens? OCH CH3 19) - D) quartet E) septet A) singlet B) doublet C) triplet 20) Which of the following alcohols dehydrates most rapidly? 1 -OH IV. CH3- 20) CH3- II. CH3 OH Cox HO...
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