Which one of the following can not be said about NMR?

Select one:

a. Frequencies of the excitation is used for the structural identification

b. Energy is absorbed at radiofrequency region

c. When protons (¹H) excited spin state will be aligned with applied magnetic field.

d. Splitting patterns are used for structural characterization

e. When ¹³C is excited spin state aligned against the applied magnetic field

Answer rating: 100% (QA)

C INCORRECT Because the spin of the excited state is always opposite to that of the ... View the full answer