Need help proposing a structure given the following data.
Homework Answers
Add Answer to:
Need help proposing a structure given the following
data.
23. The mass spectrum shows M =...
Need help proposing a structure given the following data. Thank you. 24. M = 122, IR...
Need help proposing a structure given the following
data. Thank you.
24. M = 122, IR peaks near 1500, 1600 and a strong broad peak near 3350 cm! The carbon-13 NMR shows six lines. The 'H NMR spectrum is tabulated below. 7.15 ppm (5H multiplet) 3.75 ppm (2H triplet) 2.75 ppm (2H triplet)
Need help proposing a structure given the following data. thank you. 13. A compound with the...
Need help proposing a structure given the following
data. thank you.
13. A compound with the formula C.H12O2 has strong IR signals near 2900 and 1740 cm! The 'H- NMR spectrum is tabulated below. 1.12 ppm (3H triplet) 1.25 ppm (6H doublet) 2.27 ppm (24 quartet) 5.02 ppm (1H septet)
Need help proposing a structure given the following data. Thank you 19. A compound with the...
Need help proposing a structure given the following
data. Thank you
19. A compound with the formula CoH140 shows a strong broad IR signal near 3300 cm'! The 'H NMR spectrum is tabulated below. 1.44 ppm (9H singlet) 4.97 ppm (1H broad singlet) 6.90 ppm (2H doublet) 7.32 ppm (2H doublet)
Need help proposing a structure given the following data. thank you. 16. A compound with the...
Need help proposing a structure given the following
data. thank you.
16. A compound with the formula C H10O shows only six signals in its "C-NMR spectrum. The 'H- NMR spectrum is tabulated below. 1.98 ppm (1H singlet) 2.82 ppm (2H triplet) 3.80 ppm (2H triplet) 7.22 ppm (5H broad multiplet)
Identify what structure these are based on the NMR and DRAW the structure. 4) Chemical Formula:...
Identify what structure these are based on the NMR and DRAW the
structure.
4) Chemical Formula: Cl,BrO:S IR: strong broad peak at 3300cm1, strong peak 1720 cm1 Singlet, 3H Quartet, 2H Singlet, 1H Triplet, 2H Triplet, 1H 12 10 PPM
2. Use the 'H NMR and IR data to determine the structure of the following compounds...
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
need to know how to read each(#16,17,18) and determine the structure. Please list out step by...
need to know how to read each(#16,17,18) and determine the
structure. Please list out step by step.
Unknowns for 1H NMR Final Report 16) Chemical Formula: C.H.O. IR: strong peak 1720cm! 3H 17) Chemical Formulae: CzHs Singlet, 9H 4H, Doublet Triplet Triplet Doublet Triplet, 3H Quartet, 2H 5 PPM 18) Chemical Formula: CH120 IR: Strong broad peak at 3200 cm 5H Зн 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,...
4. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z...
4. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 100 with a base peak at m/z 43, an IR peak at 1720 cm' which gave the following 'H NMR spectrum. 33 N - PPM 5. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 100 with a base peak at m/z 43, an IR peak at 1720 cm' which gave the following 'H NMR spectrum. doublet 2...
(c) Compound C has molecular formula C9H10O. The mass spectrum shows a parent ion (M+) peak...
(c) 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,...
Need help proposing a structure given the following
data. Thank you.
24. M = 122, IR peaks near 1500, 1600 and a strong broad peak near 3350 cm! The carbon-13 NMR shows six lines. The 'H NMR spectrum is tabulated below. 7.15 ppm (5H multiplet) 3.75 ppm (2H triplet) 2.75 ppm (2H triplet)
Need help proposing a structure given the following
data. thank you.
13. A compound with the formula C.H12O2 has strong IR signals near 2900 and 1740 cm! The 'H- NMR spectrum is tabulated below. 1.12 ppm (3H triplet) 1.25 ppm (6H doublet) 2.27 ppm (24 quartet) 5.02 ppm (1H septet)
Need help proposing a structure given the following
data. Thank you
19. A compound with the formula CoH140 shows a strong broad IR signal near 3300 cm'! The 'H NMR spectrum is tabulated below. 1.44 ppm (9H singlet) 4.97 ppm (1H broad singlet) 6.90 ppm (2H doublet) 7.32 ppm (2H doublet)
Need help proposing a structure given the following
data. thank you.
16. A compound with the formula C H10O shows only six signals in its "C-NMR spectrum. The 'H- NMR spectrum is tabulated below. 1.98 ppm (1H singlet) 2.82 ppm (2H triplet) 3.80 ppm (2H triplet) 7.22 ppm (5H broad multiplet)
Identify what structure these are based on the NMR and DRAW the
structure.
4) Chemical Formula: Cl,BrO:S IR: strong broad peak at 3300cm1, strong peak 1720 cm1 Singlet, 3H Quartet, 2H Singlet, 1H Triplet, 2H Triplet, 1H 12 10 PPM
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
need to know how to read each(#16,17,18) and determine the
structure. Please list out step by step.
Unknowns for 1H NMR Final Report 16) Chemical Formula: C.H.O. IR: strong peak 1720cm! 3H 17) Chemical Formulae: CzHs Singlet, 9H 4H, Doublet Triplet Triplet Doublet Triplet, 3H Quartet, 2H 5 PPM 18) Chemical Formula: CH120 IR: Strong broad peak at 3200 cm 5H Зн PPM
4. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 100 with a base peak at m/z 43, an IR peak at 1720 cm' which gave the following 'H NMR spectrum. 33 N - PPM 5. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 100 with a base peak at m/z 43, an IR peak at 1720 cm' which gave the following 'H NMR spectrum. doublet 2...
Most questions answered within 3 hours.
-
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 6 minutes ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 1 hour ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 1 hour ago -
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 1 hour ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 1 hour ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 1 hour ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 1 hour ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 1 hour ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 2 hours ago -
Please answer the question in brief.
Discuss the role of ERP in organizations. Are ERP tools...
asked 1 hour ago -
Discuss the pros and cons of collaborative software such
as SameTime. Does it increase productivity? What...
asked 2 hours ago -
Buying your in-laws a gift because it’s expected is
due to the ____________ motive of gift-giving....
asked 2 hours ago