28. NO AI USE Predict the number of signals in the expected 13C NMR spectrum of the followingcompound:Hint: consider plane of symmetryHO4 (four)Carbon Signals5 (five)Carbon Signals6 (six)Carbon Signals7 (seven)Carbon SignalsABA.UDB.C.D.

Approach to solving the question: we need to count the total number of different Carbon atoms.…

Answered: Predict the number of signals in the…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL4: Proton (1h) Nmr Spectroscopy

Section: Chapter Questions

Problem 9E

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Similar questions

5. Use the 1H-NMR data to determine the structure of the compounds listed below. Indicate which hydrogens are responsible for each signal. a. C2H4C|z: singlet at s 3.7 ppm b. C8H10: § 1.2 ppm (triplet, 3H) § 2.6 ppm (quartet, 2H) § 7.1 ppm (broad singlet, 5H)
How many 1H-NMR signals would you expect to see for the following molecule? Hint: Think about symmetry.
What is the expected multiplicity of the indicated carbon atoms in a proton-coupled ¹3C NMR spectrum? b a C H a Choose... d Choose... с Choose... b Choose... d
6. The MS and 13C NMR spectra for two constitutional Isomers with 4 degrees of unsaturation are shown below. Please determine the molecular structures of the two constitutional isomers. ISOMER A ISOMER B 100 - 100- 80 80 - 60- 60- 40- MTs 140 20- 20- 25 50 100 125 25 s0 100 125 m/z m/z Speales tofat -Zpeaks 200 180 160 140 120 100 80 60 40 20 200 180 160 140 120 100 80 60 40 20 CoS-00-887 ppm CoS-00-686 pm Relative Intensity Relative Intensity
Which compound is consistent with the spectrum below? он HO NH2 (A) N(CH3)2 (B) H. (D) (C) LOD 4D00 3000 200 1500 1000 S00 AVENUNG ERI Compound A TEENSMETTRNCEI
( which structure fits the best in the given spectra )
6. The MS and 13C NMR spectra for two constitutional isomers with 4 degrees of unsaturation are shown below. Please determine the molecular structures of the two constitutional isomers. ISOMER A ISOMER B 100 100- 80 - 80 60 - 60 40 MTS 140 40 20 20- 25 50 75 100 125 25 50 75 100 125 m/z m/z 3 peales tatal , 2 peaks 200 180 160 140 120 100 80 60 40 20 200 180 160 140 120 100 80 60 40 20 COS-00-887 ppm COS-00-886 ppm Relative Intensity Relative Intensity :-
3
Pleasedon't provide handwritten solution .....
What is the molecule name and the NMR of the molecule below?
5. Which of the following compounds displays besides other signals - a nonet (a signal that is split into nine lines) in the ¹H NMR? B) i A) 18. Whi D) C) G ✓
( plz do correctly with detail explanation )

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Predict the number of signals in the expected 13C NMR spectrum of the following compound: Hint: consider plane of symmetry HO 4 (four) Carbon Signals 5 (five) Carbon Signals 6 (six) Carbon Signals 7 (seven) Carbon Signals A B A. U D B. C. D.