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Question 5 [time = 15 minutes] (a) How many lines would you expect for the EPR...
Into how many peaks would you expect the 'H NMR signals of the indicated protons to...
Into how many peaks would you expect the 'H NMR signals of the indicated protons to be split? (Assume all coupling constants are equal.) ball & stick + labels Highlight H12 Highlight H9 Highlight H10 Highlight H7 H12: H9: H10: H7:
Prelab: 1) For the ester shown below, how many signals (distinct chemical shifts) would you expect...
Prelab: 1) For the ester shown below, how many signals (distinct chemical shifts) would you expect to see? What are the integrals for each signal? Assuming that all coupling constants are the same (simple coupling), what splitting pattern (singlet, doublet,.. do you expect? 2) How many signals do you expect in the 'H-NMR spectrum of each of the following compounds? 3) What are diastereotopic hydrogen atoms? Are there any diastereotopic hydrogen atoms in the four structures given in the second...
50. For the following compound how many different signals would you see in the proton NMR?...
50. For the following compound how many different signals would you see in the proton NMR? (Assume that you can see them all.) A) 4 B) 5 C) 6 D) 7 E) 8 . An organic compound absorbs strongly in the IR at 1687 em. Its 'H NMR spectrum consists of two signals, a singlet at 2.1 ppm and a multiplet centered at 7.1 ppm. Its mass spectrum shows significant peaks at m/z 120, m/z 105 and m/z 77. This...
Question 13 5 pts How many signals would you expect to see in the 'C NMR...
Question 13 5 pts How many signals would you expect to see in the 'C NMR spectrum of the following compound? осн, OCH, 3 4 Question 19 Predict the number of signals in the 13C NMR spectrum for the following structure. 5 8 7
Question 19 (2 points) How many signals would you expect in the 'H NMR spectrum of...
Question 19 (2 points) How many signals would you expect in the 'H NMR spectrum of the following compound? O a) 4 Ob) 5 O c) 6 d) 7 Question 20 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? It til OCH,CH,CH o CH2CH2CHE 11 OH OH CH2CH2CH3 CH2CH2CH3 III IV O a) 1 Ob) III Oc) Od) IV
Question 5 1 pts Jf you had the compound 1-butene, how many signals would you expect...
Question 5 1 pts Jf you had the compound 1-butene, how many signals would you expect to see in the 13C-NMR spectrum? more than 6
Into how many peaks would you expect the 'H NMR signals of the indicated protons to be split? (Assume all coupling constants are equal.) ball & stick + labels Highlight H12 Highlight H9 Highlight H10 Highlight H7 H12: H9: H10: H7:
Prelab: 1) For the ester shown below, how many signals (distinct chemical shifts) would you expect to see? What are the integrals for each signal? Assuming that all coupling constants are the same (simple coupling), what splitting pattern (singlet, doublet,.. do you expect? 2) How many signals do you expect in the 'H-NMR spectrum of each of the following compounds? 3) What are diastereotopic hydrogen atoms? Are there any diastereotopic hydrogen atoms in the four structures given in the second...
50. For the following compound how many different signals would you see in the proton NMR? (Assume that you can see them all.) A) 4 B) 5 C) 6 D) 7 E) 8 . An organic compound absorbs strongly in the IR at 1687 em. Its 'H NMR spectrum consists of two signals, a singlet at 2.1 ppm and a multiplet centered at 7.1 ppm. Its mass spectrum shows significant peaks at m/z 120, m/z 105 and m/z 77. This...
Question 13 5 pts How many signals would you expect to see in the 'C NMR spectrum of the following compound? осн, OCH, 3 4 Question 19 Predict the number of signals in the 13C NMR spectrum for the following structure. 5 8 7
Question 19 (2 points) How many signals would you expect in the 'H NMR spectrum of the following compound? O a) 4 Ob) 5 O c) 6 d) 7 Question 20 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? It til OCH,CH,CH o CH2CH2CHE 11 OH OH CH2CH2CH3 CH2CH2CH3 III IV O a) 1 Ob) III Oc) Od) IV
Question 5 1 pts Jf you had the compound 1-butene, how many signals would you expect to see in the 13C-NMR spectrum? more than 6
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