10. Which compound is likely to have the following 'H NMR spectrum (integration is not given)?...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
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)
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....
formula: C10H12O2 determine structure given the IR and H NMR Compound 2 Data Page Compound 2 Exact Mass: 164.0837 amu Compound 2 FTIR Compound 2 1H-NMR Coupling Pattern Coupling Constant, J (Hz) 10 Signal Chemical Shift Relative Integration (ppm) A 6.83 B 6. 82 1 C 6. 811 D 6 .291 1 E 6.049 1 F 5. 731 G3. 8123 J 1.830 3 Singlet Doublet Doublet Doublet of quartets Doublet of quartets Broad Singlet Singlet Doublet of Doublets Not determined...
03 Question (1 point) Consider the H NMR spectrum of the following compound. CH CH CH NO 1st attempt dad See Periodic Predict the first-order splitting patterns of the indicated proton: Choose one: O singlet O doublet of doublets O triplet O doublet 2OF 10 QUESTIONS COMPLETED <0310
Question 2 The 13 C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its "H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. 240 220 '200'180' 160140120100' 80' 604020 PPM H3CU CH3 CH3 CH3 Create OscerSketch Answer 2 Incorrect: Answer has an incorrect structure. What would be the expected splitting pattern of the signal associated with the indicated hydrogen atoms? Question 3 A. singlet B. doublet C. triplet D. quartet E....
The ^1 H-NMR spectrum of compound A,C_5 H_10 O, consists of the following signals: 2.40 (triplet, 2H), 2.13 (singlet, 3H), 1.68 (sextet, 2H), 0.90 (triplet, 3H). Draw compound A. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms.
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
Which compound matches the following 'H NMR spectrum? singlet ЗН singlet ЗН PPM B C Sco D OH H e D D) А
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