Label the signals due to C_a, C_b, C_c, and C_d in the ^13C NMR spectrum.
Label the signals due to Ca, Cb, Cc, and Ca in the 13C NMR spectrum. н Н н—са—срн Н н н 140 120 100 80 60 40 20 о PPM
How many unique 1H & 13C NMR signals exist in the spectrum
of the following compounds?
How many unique 1H NMR signals exist in the spectrum of the following compounds? How many unique 13C NMR signals exist in the spectrum of the following compounds?
How many unique 13C NMR signals exist in the spectrum for the
following compound?
How many unique 13C NMR signals exist in the spectrum for the following compound?
How many unique 13C NMR signals
exist in the spectrum for the following compound?
How many unique 13C NMR signals exist in the spectrum for the following compound?
How many signals are expected in the 13C-NMR spectrum
of the following molecule?
How many signals are expected in the PC-NMR spectrum of the following molecule? -Br 03 3 Unsupported image type. 04 05 O 6 07
How
many signals are there for this molecule in the 13C NMR spectrum?
A 1 B 2 С 3 D 6 (E 10
How many signals appear in proton-decoupled 13C NMR spectrum of 3,4-dimethylhexane?
Interpret the 13C NMR of aspirin. Assign as many signals as possible on the spectrum to the structure (you’re not expected to definitively assign each carbon, but you can get close!). Report the appropriate expected chemical shift range of each carbon using the NMR table of values.
The broadband proton-decoupled 13C NMR spectrum of a
hexyl chloride exhibits six signals. Which of these structures
could be the correct one for the compound?
The broadband proton-decoupled 13c NMR spectrum of a hexyl chloride exhibits six signals. Which of these structures could be the correct one for the compound? Note diastereotopic groups are possible CH3 CH3CCH2CH2CI CH3 CH3 CHACHCHCH2CH3 CH3 CH3CCHCH3 CI CH3CH2CCH20% CH3 O CH3 CH3 CH3C-CHCH3
For phenol, label the signals due to Ha, Hb, ca, cb, cc, and cd in the 1H NMR and 13c NMR spectra. H NMR spectrum Hb C-C H- Cd C O C C Ha T T T T T T PPM 13 C NMR spectrum 140 120 160 1 OO