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Carbon NMR Solutions Library

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21 solutions

Carbon NMR

Q. How many unique 1H NMR and 13C NMR signals exist for the following compounds?

Solved • Apr 28, 2020

Carbon NMR

Q. How many unique 1H NMR and 13C NMR signals exist for each compound?

Solved • Apr 28, 2020

Carbon NMR

Q. How many unique 1H NMR and 13C NMR signals exist for the following compounds?

Solved • Apr 24, 2020

Carbon NMR

Q. How many unique 1H NMR and 13C NMR signals exist for each compound?

Solved • Apr 24, 2020

Carbon NMR

Q. How many unique 13C NMR signals exist in the spectrum for the following compound?

Solved • Apr 6, 2020

Carbon NMR

Q. How many absorptions would you expect the following compound to have:a. in its 1H NMR spectrum? b. In its 13C NMR spectrum?

Solved • Apr 2, 2020

Carbon NMR

Q. How many 13C signals will an NMR spectrometer distinguish in 1-fluoro-4-iodocyclooctane? 

Solved • Oct 5, 2018

Carbon NMR

Q. Select the single best answer.Which of the highlighted carbon atoms absorbs farther downfield? (i) carbonyl carbon (ii) methylene carbon

Solved • Sep 13, 2018

Carbon NMR

Q. For the following compound how many different signals would you see in the carbon NMR? (Assume that you can see them all.) A) 4 B) 5 C) 6 D) 7 ...

Solved • Jun 6, 2017

Carbon NMR

Q. For the following compound how many different signals would you see in the carbon NMR? (Assume that you can see them all.) A) 1 B) 2 C) 3 D) 4 ...

Solved • Jun 6, 2017

Carbon NMR

Q. In 13C NMR spectroscopy, the signal due to this type of carbon occurs furthest downfield.

Solved • Jun 6, 2017

Carbon NMR

Q. How many signals would you expect to find in each range of the 13C-NMR spectrum of the following compounds? Enter a number in each box. 

Solved • Jan 23, 2017

Carbon NMR

Q. Which line in the following spectrum would indicate the presence of a carbonyl group? a 5 b 2 c 1 d 4 e 3

Solved • Jan 12, 2017

Carbon NMR

Q. How many peaks (signals) would you expect in the broadband-decoupled  13C NMR spectrum of each of the following compounds? Example: You would see ...

Solved • Aug 5, 2016

Carbon NMR

Q. Which carbon atom is most deshielded in the following molecule?

Solved • Aug 5, 2016

Carbon NMR

Q. Which isn't true about 13C NMR spectroscopy?a. Each distinct carbon produces a single peak 13C NMR spectrum.b. Splitting of signals into multiple p...

Solved • Aug 5, 2016

Carbon NMR

Q. How many peaks (signals) would you expect in the broadband- decoupled  13C NMR spectrum of each of the following compounds? Example: You should se...

Solved • Aug 3, 2016

Carbon NMR

Q. Circle the most deshielded carbon in the 13C NMR spectrum of the compound shown below.

Solved • Aug 3, 2016

Carbon NMR

Q. The chemical shifts in the 13C NMR spectrum for this compound are δ 15.8, 40.1, 51.8, and 170.2. Which is the correct set of chemical shifts for th...

Solved • May 8, 2016

Carbon NMR

Q. How many signals would be observed in the proton-decoupled  13C NMR spectrum of the compound shown below? A) 5 B) 6 C) 7 D) 8

Solved • May 8, 2016

Carbon NMR

Q. Which isn’t true about 13C NMR spectroscopy?   a) Each distinct carbon produces a single peak in 13C NMR spectrum. b) Splitting of signals into ...

Solved • Feb 3, 2016