Homework Answers
The molecular formula of the compound is C7H8O.
The compound may be benzyl alcohol.
The detail explaination is shown below.
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1. A compound of formula C-H3O shows 'H NMR signals at 2.3 8 (singlet 2H), and...
A compound of formula C7H8O shows H NMR signals at 2.3 (singlet 1H ) , 4.6...
A compound of formula C7H8O shows H NMR signals at 2.3 (singlet 1H ) , 4.6 (singlet 2 H ) and 7.3 ( singlet , 5 H) . The infrared spectrum shows a strong , broad absorption between 3200 and 3500 and strong narrow absorbance at 3065 , 2875 and 1030 cm-1. Write the structure of the compound and provide and acceptable name .
Problem #23: When compound X (C,H,Br) is reacted with sodium cyanide (NaCN) forms compound Y (C,H...
Problem #23: When compound X (C,H,Br) is reacted with sodium cyanide (NaCN) forms compound Y (C,H,N). Compound Y, upon reduction with H over a Ni catalyst, yields compound Z (C,HIN. The 'H NMR spectrum of X gives two signals, a multiplet at δ = 7.3 ppm (5H) and a singlet at δ 4.25 ppm (2H). The 'H NMR spectrum of Y is similar to that of X in that it shows a multiplet at ö-7.3 ppm (5H) and a singlet...
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 8...
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows a molecular ion at m/z- 182 in the mass spectrum and has the following 1H NMR spectrum? 7.20, singlet, 5H- 2.9 d, singlet, 2H
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows...
Propose structures that fit the following formula and NMR data. (a) C3H100 singlet at 2.10 8...
Propose structures that fit the following formula and NMR data. (a) C3H100 singlet at 2.10 8 (3H) doublet at 0.958 (6H) multiplet at 2.43 8 (1H) (b) C10H14 singlet at 1.30 8 (9 H) singlet (broad) at 7.308 (5H) (c) C9H11Br quintet at 2.15 8 (2H) triplet at 2.758 (2H) triplet at 3.38 8 (2H) singlet at 7.22 8 (51) IR spectrum: strong peak near 1720 cm (d) C18H14 O2 Singlet at 2.20 8 (3H) Singlet at 5.08 8 (1H)...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
2. The H NMR spectrum of an unknown compound with the molecular formula CgH902 is provided...
2. The H NMR spectrum of an unknown compound with the molecular formula CgH902 is provided below. The IR spectrum for this compound shows a large, broad peak at 3147 cm ? and a strong, sharp peak at 1645 cm-7. Provide a structure for this unknown. 2H 2H 10 98 HSP-06-318 ppm
Match the following spectral descriptions with one of the compounds shown below. A compound is NOT...
Match the following spectral descriptions with one of the compounds shown below. A compound is NOT used more than once. [ Select] AC4HO2 compound has a strong IR absorption at 3300-3400 cm-1. The 1 H NMR spectrum has two singlets at 8 4.2 and 4.4 ppm: relative areas 4:2..The 13C spectrum shows 2 signals at 8 85 and 52 ppm. [ Select] AC7HO compound has a strong IR absorption at 1700 cm?, The H NMR spectrum has a singlet at...
(References The proton NMR spectrum for a compound with the formula C,H,O is shown below along...
(References The proton NMR spectrum for a compound with the formula C,H,O is shown below along with the spectral data in tabular form. (It may be necessary to expand (zoom) some of the 'H signals to view spin-spin splitting details.) Intensity 258 $ $ 488 14 13 12 11 10 9 8 7 6 5 4 3 Chemical Shift (oppm 2 1 0 . Reproduced with permission from Sim. Aldri Ca LLC The IH signal at 2.15 ppm is an...
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal...
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.38 (broad singlet, 1H), 3.49 (triplet, 2H), 2.40 (triplet, 2H), 2.10 (singlet, 3H), and 1.86 (pentet, 2H). IR shows a broad band at 3350 cm and a strong band at 1710 cm (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. PPM
Compound C has molecular formula C9H10O. The mass spectrum shows a parent ion (M+) peak at...
Compound C has molecular formula C9H10O. The mass spectrum shows a parent ion (M+) peak at 134 and a base peak (largest peak) at 105 atomic mass units. The IR spectrum shows major signals at 3029, 2925, 2721, 1708, 1495, 1452, 1375, 1152, 745, and 699 cm-1. The 1H-NMR spectrum shows signals at 2.35 (singlet, 3H), 3.65 (doublet, 2H), 7.11 (doublet 2H), 7.18 (doublet, 2H), and 9.73 (triplet, 1H) ppm. The 13C-NMR spectrum shows signals at 21.1, 50.2, 128.7, 129.5,...
Problem #23: When compound X (C,H,Br) is reacted with sodium cyanide (NaCN) forms compound Y (C,H,N). Compound Y, upon reduction with H over a Ni catalyst, yields compound Z (C,HIN. The 'H NMR spectrum of X gives two signals, a multiplet at δ = 7.3 ppm (5H) and a singlet at δ 4.25 ppm (2H). The 'H NMR spectrum of Y is similar to that of X in that it shows a multiplet at ö-7.3 ppm (5H) and a singlet...
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows a molecular ion at m/z- 182 in the mass spectrum and has the following 1H NMR spectrum? 7.20, singlet, 5H- 2.9 d, singlet, 2H
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows...
Propose structures that fit the following formula and NMR data. (a) C3H100 singlet at 2.10 8 (3H) doublet at 0.958 (6H) multiplet at 2.43 8 (1H) (b) C10H14 singlet at 1.30 8 (9 H) singlet (broad) at 7.308 (5H) (c) C9H11Br quintet at 2.15 8 (2H) triplet at 2.758 (2H) triplet at 3.38 8 (2H) singlet at 7.22 8 (51) IR spectrum: strong peak near 1720 cm (d) C18H14 O2 Singlet at 2.20 8 (3H) Singlet at 5.08 8 (1H)...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
2. The H NMR spectrum of an unknown compound with the molecular formula CgH902 is provided below. The IR spectrum for this compound shows a large, broad peak at 3147 cm ? and a strong, sharp peak at 1645 cm-7. Provide a structure for this unknown. 2H 2H 10 98 HSP-06-318 ppm
Match the following spectral descriptions with one of the compounds shown below. A compound is NOT used more than once. [ Select] AC4HO2 compound has a strong IR absorption at 3300-3400 cm-1. The 1 H NMR spectrum has two singlets at 8 4.2 and 4.4 ppm: relative areas 4:2..The 13C spectrum shows 2 signals at 8 85 and 52 ppm. [ Select] AC7HO compound has a strong IR absorption at 1700 cm?, The H NMR spectrum has a singlet at...
(References The proton NMR spectrum for a compound with the formula C,H,O is shown below along with the spectral data in tabular form. (It may be necessary to expand (zoom) some of the 'H signals to view spin-spin splitting details.) Intensity 258 $ $ 488 14 13 12 11 10 9 8 7 6 5 4 3 Chemical Shift (oppm 2 1 0 . Reproduced with permission from Sim. Aldri Ca LLC The IH signal at 2.15 ppm is an...
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.38 (broad singlet, 1H), 3.49 (triplet, 2H), 2.40 (triplet, 2H), 2.10 (singlet, 3H), and 1.86 (pentet, 2H). IR shows a broad band at 3350 cm and a strong band at 1710 cm (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. PPM
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