3. Assign the NMR peaks of the following compound: поведен MeO a 13C NMR (100 MHz, CDC3) = 171.0, 82.9, 71.1, 69.2, 58.7, 39.2, 35.3, 14.9. 100 сось

Predict the 13C-NMR spectrum of methyl orange in DMSO-d6. How many signals will beobserved and in which range?

Identify the molecule for the 13C-NMR spectrum below. 120 100 PPM 40 20

How many signals would you expect in the 13C NMR spectrum of the following compound?

A3

A compound with the molecular formula C4H₁1N has the following ¹H NMR spectrum, in which the relative integration values are illustrated with step curves. Which of the following is the correct number of protons giving rise to each signal? al O2H, 3H, 6H Ο 1Η, 4Η, 6Η O 2H, 4H, 5H O 3H, 4H, 5H PPM

Analyze the CNMR spectrum below and identify the compound

Predict the H-NMR spectra of Diphenylacetylene including number of signals, chemical shift of each signal, multiplicity (splitting) of each signal and integration of each signal.

A compound has the molecular formula: C4H8O2 and gives the following C-13 NMR spectrum. Provide the most likely functional groups for each signal. nmrsim presentation 1 1 C:Bruken Topspin3.5pl7 examdata -170.7658 150 100 d 170.8 (O CH3) ; 60.4 (OCH2); 20.8, 14.1 (2 x C=0) 8170.8 (0 CH₂); 60.4 (OCH₂); 20.8, 14.1 (2 x CH3). 8 170.8 (CH3); 60.4 (C-0); 20.8, 14.1 (2 x OCH₂) 8170.8 (C=0); 60.4 (OCH₂); 20.8, 14.1 (2 x CH3). 8170.8 (C) ; 60.4 (O CH2); 20.8, 14.1 (2 x O CH3) -60.4293 50 -20.7902 -14.1385 [ppm] [+]

Name 4 chemical chifts, their multiplicity and their assignments using the following NMR shift.