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Chapter 14: Q46P (page 665)

What does cross peak X in figure tell you?

Short Answer

Expert verified

Hydrogen having signal at in H1NMR spectrum has a bond with the carbon atom having signal at 19鈥�ppm in 13CNMR spectrum.

Step by step solution

01

Step-by-Step SolutionStep 1: Identifying the type of spectrum

The given spectrum is an example of the HETCOR spectrum.

HETCOR spectrum tells about the bonding between carbon and hydrogen atoms.

02

Explanation of cross peak

Cross peak in the HETCOR spectrum hints at how the carbon atom and hydrogen atom get bonded. Here, protons having signal at 1鈥�ppmin H1NMR spectrum make a bond with the carbon atom having signal at19鈥�ppm in role="math" localid="1652278604840" 13CNMR spectrum.

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Most popular questions from this chapter

Which has a greater chemical shift for the proton, the proton H1NMR spectrum of pure ethanol or the proton H1NMR spectrum of ethanol dissolved in CH2Cl2.

How canH1NMR be used to prove that the addition of HBr to propene follows the rule that says that the electrophile adds to the sp2 carbon bonded to the most hydrogens?

Without referring to Table 14.1, label the proton or set of protons in each compound that gives the signal at the lowest frequency a, at the next lowest b, and so on.

There are four esters with molecular formula C4H8O2. How can they be distinguished by1H NMR?

The 1H NMR spectrum of 2-propane-1-ol is shown here. Indicate the protons in the molecule that are responsible for each of the signals in the spectrum.
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