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The Chemical Shift δ\delta , Is Independent of the NMR Instrument Used, Since It

Question 50

Multiple Choice

The chemical shift, δ\delta , is independent of the NMR instrument used, since it is defined as a ratio of frequencies. Choose all statements that are true regarding the chemical shift, δ\delta .
I. The chemical shift, δ\delta , is a characteristic of the electronic environment that the atoms are in.
II. The chemical shift of the H in tetramethylsilane (TMS) is set 0 ppm as a reference.
III. Compounds containing a single type of hydrogen atom will show only one peak in the H-NMR spectrum.
IV. The chemical shift, δ\delta is increasing left to right on an NMR spectrum.


A) I and II
B) I, II and III
C) II and IV
D) III and IV
E) All of the above

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