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"H-NMR 1. The spectrum below was obtained from a substance whose formula is CjH,Br a. Draw...
8. The 'H NMR spectrum below corresponds to a compound with molecular formula CH1202 Determine the...
8. The 'H NMR spectrum below corresponds to a compound with molecular formula CH1202 Determine the structure, label the unique sets of hydrogens and then use these labels to mark the corresponding signals. (4 pts.) s, 9H s, 2H bs, 1H 10 6 2 P-03-15 ppm
Shown above is the 1H-NMR spectrum of a compound with the formula C5H10O2 . Choose from...
Shown above is the 1H-NMR spectrum of a compound with
the formula C5H10O2 . Choose from the constitutional isomers below
to assign a structure to this spectrum.
3H 2H 3H 2H PPM Shown above is the 'H-NMR spectrum of a compound with the formula C5Hi002. Choose from the constitutional isomers below to assign a structure to this spectrum a b C CH3CH2CH2CH2COH CH3CH2COCH2CH3 CH3CH2CH2COCH3 (Choose the letter corresponding to the correct structure from the drop-down list provided.) Correct Structure: Assign...
The following is the predicted 1H-NMR spectrum for an unknown compound with molecular formula C6H14O. This...
The following is the predicted 1H-NMR spectrum for an
unknown compound with molecular formula C6H14O. This compound is a
liquid at room temperature, is slightly soluble in water, and
reacts with sodium metal with the evolution of a gas.
9H 1 1H 2 1H 31H 4 2H Not Submitted PPM Choose from the constitutional isomers below to assign a structure to this spectrum. CH3 CH3 ba CH2CH3 CH3CH2CH2CHCH2OH a b c d e g CH3CH2CHCHCH3 а ь | OH f...
10. Suggest a structure for the compound with the formula C7H6O whose 13C NMR spectrum and...
10. Suggest a structure for the compound with the formula C7H6O whose 13C NMR spectrum and DEPT results are as follows: 11. Isomers A and B have the molecular formula C6H12. Isomer A has a 13C NMR spectrum with peaks at delta 13.7, 17.8, 23.1, 35.0, 124.9, and 131.6. Isomer B has peaks at delta 12.7, 13.7, 23.1, 29.2, 123.9, and 130.7. How many double bonds are present in these compounds? Propose possible structures for each isomer, excluding structures specifically...
PART 2 Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all...
PART 2 Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all signals including an accurate representation of splitting, intensity and position. Assume no signal overlap (i.e. if you expect signals have similar chemical shifts, just place them next to each other). Clearly label the integration value for each signal. Indicate the correlation between each proton (HA, HB, etc) and each signal (label signals A, B, etc.) ppm 12.5 10 11 O ppm 12.5 10 ii...
" Below is a H NMR spectrum of trimyristin (in CDC) (no integrations are shown). On...
" Below is a H NMR spectrum of trimyristin (in CDC) (no integrations are shown). On the structure of trimyristin below indicate the hydrogens responsible for the signals: (0.9 points) a) Circle and label with A: all the hydrogens that are responsible for the group of signals from 4.0 10 5.3 ppm do not consider signal splitting only consider information from chemical shift). b) Put in a box and label with B: all the hydrogens that are responsible for the...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a)...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a) Determine the lOU for the compound b) Propose a structure for the compound c) Assign all H NMR signals to the hydrogens in your structure 6H 4H 4H 4H 1H
Explain your answer, please. 2JaiDraw the predicted H NMR spectrum for the I following structure. Make...
Explain your answer, please.
2JaiDraw the predicted H NMR spectrum for the I following structure. Make sure to indicate the number of hydrogens corresponding to each peak as well as label the peaks (a, b, c... Starting from right to left) b: How many signals in the CH NMR would there bez c: give 3 distinctive peaks that would appear in the IR spectrum d: What distinctive feature do you expect to see in the mass spectrum? Structure 3-CH
Draw the predicted 'H NMR spectrum for the following structure. Make sure you indicate the number...
Draw the predicted 'H NMR spectrum for the following structure. Make sure you indicate the number of hydrogens corresponding to each points) (b) How many signals in the "CH NMR would there be? (2 points) (e) Give three distinctive peaks that would appear in the IR spectrum (3 points) (d) What distinctive feature do you expect to see in the Mass Spectrum? (pom O-CH₃ b ) doubles - - 2 2 -4
PART 2: Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all...
PART 2: Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all signals, including an accurate representation of splitting, intensity and position. Assume no signal overlap (i.e. if you expect signals have similar chemical shifts, just place them next to each other). Clearly label the integration value for each signal. Indicate the correlation between each proton (HA, Hg, etc) and each signal (label signals A, B, etc.) by using the standard subscript system that we have...
8. The 'H NMR spectrum below corresponds to a compound with molecular formula CH1202 Determine the structure, label the unique sets of hydrogens and then use these labels to mark the corresponding signals. (4 pts.) s, 9H s, 2H bs, 1H 10 6 2 P-03-15 ppm
Shown above is the 1H-NMR spectrum of a compound with
the formula C5H10O2 . Choose from the constitutional isomers below
to assign a structure to this spectrum.
3H 2H 3H 2H PPM Shown above is the 'H-NMR spectrum of a compound with the formula C5Hi002. Choose from the constitutional isomers below to assign a structure to this spectrum a b C CH3CH2CH2CH2COH CH3CH2COCH2CH3 CH3CH2CH2COCH3 (Choose the letter corresponding to the correct structure from the drop-down list provided.) Correct Structure: Assign...
The following is the predicted 1H-NMR spectrum for an
unknown compound with molecular formula C6H14O. This compound is a
liquid at room temperature, is slightly soluble in water, and
reacts with sodium metal with the evolution of a gas.
9H 1 1H 2 1H 31H 4 2H Not Submitted PPM Choose from the constitutional isomers below to assign a structure to this spectrum. CH3 CH3 ba CH2CH3 CH3CH2CH2CHCH2OH a b c d e g CH3CH2CHCHCH3 а ь | OH f...
10. Suggest a structure for the compound with the formula C7H6O whose 13C NMR spectrum and DEPT results are as follows: 11. Isomers A and B have the molecular formula C6H12. Isomer A has a 13C NMR spectrum with peaks at delta 13.7, 17.8, 23.1, 35.0, 124.9, and 131.6. Isomer B has peaks at delta 12.7, 13.7, 23.1, 29.2, 123.9, and 130.7. How many double bonds are present in these compounds? Propose possible structures for each isomer, excluding structures specifically...
PART 2 Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all signals including an accurate representation of splitting, intensity and position. Assume no signal overlap (i.e. if you expect signals have similar chemical shifts, just place them next to each other). Clearly label the integration value for each signal. Indicate the correlation between each proton (HA, HB, etc) and each signal (label signals A, B, etc.) ppm 12.5 10 11 O ppm 12.5 10 ii...
" Below is a H NMR spectrum of trimyristin (in CDC) (no integrations are shown). On the structure of trimyristin below indicate the hydrogens responsible for the signals: (0.9 points) a) Circle and label with A: all the hydrogens that are responsible for the group of signals from 4.0 10 5.3 ppm do not consider signal splitting only consider information from chemical shift). b) Put in a box and label with B: all the hydrogens that are responsible for the...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a) Determine the lOU for the compound b) Propose a structure for the compound c) Assign all H NMR signals to the hydrogens in your structure 6H 4H 4H 4H 1H
Explain your answer, please.
2JaiDraw the predicted H NMR spectrum for the I following structure. Make sure to indicate the number of hydrogens corresponding to each peak as well as label the peaks (a, b, c... Starting from right to left) b: How many signals in the CH NMR would there bez c: give 3 distinctive peaks that would appear in the IR spectrum d: What distinctive feature do you expect to see in the mass spectrum? Structure 3-CH
Draw the predicted 'H NMR spectrum for the following structure. Make sure you indicate the number of hydrogens corresponding to each points) (b) How many signals in the "CH NMR would there be? (2 points) (e) Give three distinctive peaks that would appear in the IR spectrum (3 points) (d) What distinctive feature do you expect to see in the Mass Spectrum? (pom O-CH₃ b ) doubles - - 2 2 -4
PART 2: Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all signals, including an accurate representation of splitting, intensity and position. Assume no signal overlap (i.e. if you expect signals have similar chemical shifts, just place them next to each other). Clearly label the integration value for each signal. Indicate the correlation between each proton (HA, Hg, etc) and each signal (label signals A, B, etc.) by using the standard subscript system that we have...
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