65. How can the signals in the 6.5 to 8.I ppm region of their 'H NMR spectra distinguish the following compounds? осн,...
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....
How many unique 'H NMR and 3C NMR signals exist for the following compounds? H NMR signals Number Number Number Number Number 3C NMR signals Number Number Number Number Number Previous # Try Again Next Exit Explanation
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...
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)
nenemelellaqmwmwn 1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret mol peak and base peak in the mass spectrum if a mole peak exists. Assign at least two signals. How does the IR spectrum support your findings? (12 pts.) 5,4 H It, 3 H 9,2 H 11 10 9 8 7 6 4 3 2 1 5 ppm
Match the 'H-NMR spectra to the compound. NMR 1 NMR 2 OH 8 7 6 5 4 PPM 65 PPM Premise Response Drag and drop to ma
Question 6 (2 points) Saved Explain briefly how you could use 1H NMR spectra to distinguish between these three compounds A, B and C. Please provide two different arguments. NO2 NO2 NO2 NO2 NO2 NO2 A B с
5. How many 13C NMR signals (peaks) does each compound exhibit? ed 6. The 13C NMR spectra for the following compounds are shown below. Please assign each signal to its corresponding carbon (label them a-h). 40 20 20 PPM 50 PPM
PROBLEM 8. NMR. Design (=draw) proton spectra for the following compounds: A B Answer- no words necessary. Drawing-I understand it is going to be a very "approximate drawing. A 10art4 PPM В PPM
1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret mol peak and base peak in the mass spectrum if a mole peak exists. Assign at least two 13C signals (8 pt) How does the IR spectrum support your findings? s, 3 H s, 3 H dd 1 니 d, 1 H s,1 H d, 1 H 8 7 6 3 2 0 ppm LOD sDo し000 5 Dd 4000 HAVENUNBERI-1