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Chapter 14: Q14-68P (page 677)

Draw a splitting diagram for the Hb proton if Jbc=10 and Jba=5.

Short Answer

Expert verified

In a splitting diagram, the NMR peaks are depicted as vertical lines, and the effect of each of the splittings is represented one at a time.

Step by step solution

01

Proton spectrum reading

In a splitting diagram, the NMR peaks are depicted as vertical lines, and the effect of each of the splittings is represented one at a time.

02

Split diagram for a given compound

  • In the splitting diagram, five signals will be seen.
  • The splitting diagram for b protons in the given compound is first to split into a doublet by c proton. Then these doublets are further split into triplets with the overlapping of one peak from both triplets. The intensities of overlapping peaks will be added on.

Concluded splitting diagram for compound

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Most popular questions from this chapter

How many signals are produced by each of the following compounds in its

a.1HNMRSpectrum?

b. 13CNMR spectrum?

1.

2.

3.

4.

5.

6.

a) For the following compounds which pairs of hydrogen (Ha and Hb) are enantiotopic hydrogens?

b) which pairs are diastereotopic hydrogens?

Propose structures that are consistent with the following spectra. (Integral ratios are given from left to right across the spectrum.)

a. The1HNMR spectrum of a compound with molecular formulaC4H10O2has two singlets with integral ratios of 2: 3.

b. The1HNMR spectrum of a compound with molecular formulaC6H10O2has two singlets with integral ratios of 2: 3.

c. The1HNMR spectrum of a compound with molecular formulaC8H6O2has two singlets with integral ratios of 1: 2.

How many signals are produced by each of the following compounds in its

a. 1H NMR spectrum?

b. 13C NMR spectrum?

The1H NMR spectra of two compounds, each with the molecular formula C11H16, are shown here. Identify the compounds.

a.
See all solutions

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