4) Draw the structures that Structures that correspond to the following 'H NMR traces. Both compounds have the form...
4. (4 points) Which of the structures shown below is consistent with its H-NMR spectrum? (formula = C9H110Br) 1 = multiplet 2 = multiplet 3 multiplet 4 triplet 5 - triplet 6 = quintet 11 TTTTTTTTTTT 10 9 8 7 6 5 3 2 ppm
4. (4 points) Which of the structures shown below is consistent with its H-NMR spectrum? (formula = C9H11OBr) 1 = multiplet 2 = multiplet 3 = multiplet 4 = triplet 5 = triplet 6 = quintet 11 10 9 8 7 s 4 3 į i o ppm
the following 1H NMR spectra are for four compounds each with
molecular formula C6H12O2. identify the compounds.
69. The following 'H NMR spectra are for four compounds each with molecular formula C H 202. Identify the compounds. a. 3 10 D 0 n 10 9 00 8 (ppm) frequency b. 3 13 0 7 8 6 4 10 8 (ppm) C. 3 0 10 5 4 8 (ppm) frequency 3 1 0 9 8 7 5 10 6 8 (ppm)
for
the 1H NMR spectra, draw the molecule with the given formula that
would have each soectra.
C8H.4. This is an alkyne. The relative integrations of the signals are I = 3, II = 9, III = 2. 8 5 4 PP 3 2 0 CgH:02. The singlet at 8 = 3.9 has an integration of 3, and the signals in the 8 = 1-8 region in total have an integration of 5. C8H802. The singlet at 8 = 3.9...
Draw the structure that has a molecular formula of C3H7CIO that produced the 'H NMR shown below. singlet 2H singlet 1H doublet 2H doublet 2H JE 12 11 10 9 8 4 3 2 1 7 6 5 Chemical shift (ppm)
Identify the compounds, please and thank you!!!
The 'H NMR spectra for two esters with molecular formula C8H2O2 are shown next. Part A Draw the structure of ester with the following H NMR spectra: 10 9 8 (ppm) frequency 0 . . ®. H1200 mA CO+ \'Z Ĉ AOOOOOO Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part B Draw the structure of ester with the following H NMR spectra: 9 8 7 6 2 1...
practice quiz
(15 pts) Draw the structures of the compounds that produce each of the following 'H NMR spectra and label the protons in the structures with their corresponding signals in the spectra (a, b, c, etc.): 7. сHhao Зн triplet 2H quartet 2H Зн multiplet multiplet d c b 2 0 11 10 4 CH40 6H doublet 1H septet b a 11 10 8 6 4 1 CaHBr Note: the two signals at 6 ppm are really doublets, but...
Determin the structures of the following compounds given the
following 1H-NMR data sets. The molecular formula for these
consisutional isomers is C4H8O
1. (10 points) Determine the structures of the following compounds given the following 1H-NMR data sets. The molecular formula for these constitutional isomers is: CHO Compound A H 2.5 ppm splitting integration H. 1.8 g 2 H 3.5 q 2 Ha 4.5 р 1 H 4.8 t (dd) 1 HI 4.8 t (dd) 1 t 1 Compound B...
29. The IR and 'H NMR spectra of Unknown B of molecular formula C,H,20, are given on the next page. [10 points] a. How many degrees of unsaturation are present in Unknown B? b. What functional groups are suggested by the IR spectral data? c. How many protons correspond to each signal of the 'H NMR? d. What C-H bonding (or types of protons) are suggested by the 'H NMR data? e. Suggest a structure consistent with parts 29a-d above....
7. Given the following 'H NMR spectrum for a compound with molecular formula C:HgCl2, a. (4 points) Propose a structure for the compound b. (6 points) Describe each signal in terms of its integration, splitting and chemical shift. 11 10 9 8 7 6 4 3 2 1 5 ppm