NMR Spectroscopy

Question: Coupling causes the peaks in 1H NMR spectra to be split into
[A].

two peaks

[B].

multiple peaks equal to the number of hydrogens on surrounding atoms

[C].

multiple peaks equal to the number of surrounding carbon atoms

[D].

multiple peaks equal to the number of hydrogen on surrounding atoms, plus one

Answer: Option D

Explanation:

No answer description available for this question.

Question: Why is it important to use a deuterated solvent?
[A].

NMR uses least of this solvent

[B].

So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition

[C].

Expensive solvents work best with NMR

[D].

They dissolve polymer the fastest

Answer: Option B

Explanation:

No answer description available for this question.

Question: All hydrogen atoms
[A].

have the same resonance frequency

[B].

resonate at different frequencies depending on their environment.

[C].

are attached to carbon

[D].

resonate at about the same frequency as carbon

Answer: Option B

Explanation:

No answer description available for this question.

Question: Better understanding of the nuclei is possible,
[A].

with the help of wavelength spectrum

[B].

with the help of frequencies ranges

[C].

with the help of a mathematical translator called the fourier transfer algorithm

[D].

none of the above

Answer: Option C

Explanation:

No answer description available for this question.